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The On-Line Encyclopedia of Integer Sequences (OEIS)
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"> <html> <head> <link rel="stylesheet" href="/styles.css"> <meta name="format-detection" content="telephone=no"> <meta http-equiv="content-type" content="text/html; charset=utf-8"> <meta name=viewport content="width=device-width, initial-scale=1"> <meta name="keywords" content="OEIS,integer sequences,Sloane" /> <title>The On-Line Encyclopedia of Integer Sequences (OEIS)</title> <link rel="search" type="application/opensearchdescription+xml" title="OEIS" href="/oeis.xml"> <script> var myURL = "\/play?seq=A002910" function redir() { var host = document.location.hostname; if(host != "oeis.org" && host != "127.0.0.1" && !/^([0-9.]+)$/.test(host) && host != "localhost" && host != "localhost.localdomain") { document.location = "https"+":"+"//"+"oeis"+".org/" + myURL; } } function sf() { if(document.location.pathname == "/" && document.f) document.f.q.focus(); } </script> </head> <body bgcolor=#ffffff onload="redir();sf()"> <div class=loginbar> <div class=login> <a href="/login?redirect=%2fplay%3fseq%3dA002910">login</a> </div> </div> <div class=center><div class=top> <center> <div class=donors> The OEIS is supported by <a href="http://oeisf.org/#DONATE">the many generous donors to the OEIS Foundation</a>. </div> <div class=banner> <a href="/"><img class=banner border="0" width="600" src="/banner2021.jpg" alt="The On-Line Encyclopedia of Integer Sequences (OEIS)"></a> </div> <div class="motdbox"> <div class="motd"> <p>Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).</p> </div> <div class="donate"> <div id="donate-button-container"> <div id="donate-button"></div> <script src="https://www.paypalobjects.com/donate/sdk/donate-sdk.js" charset="UTF-8"></script> <script> PayPal.Donation.Button({ env:'production', hosted_button_id:'SVPGSDDCJ734A', image: { src:'https://www.paypalobjects.com/en_US/i/btn/btn_donateCC_LG.gif', alt:'Donate with PayPal button', title:'PayPal - The safer, easier way to pay online!', } }).render('#donate-button'); </script> </div> <a href="https://oeisf.org/donate/"> <strong>Other ways to Give</strong> </a> </div> </div> </center> </div></div> <div class=center><div class=pagebody> <div class=searchbarcenter> <form name=f action="/search" method="GET"> <div class=searchbargreet> <div class=searchbar> <div class=searchq> <input class=searchbox maxLength=1024 name=q value="" title="Search Query"> </div> <div class=searchsubmit> <input type=submit value="Search" name=go> </div> <div class=hints> <span class=hints><a href="/hints.html">Hints</a></span> </div> </div> <div class=searchgreet> (Greetings from <a href="/welcome">The On-Line Encyclopedia of Integer Sequences</a>!) </div> </div> </form> </div> <center><h2>Play a Sequence</h2></center> <form method="post" name=main action="/play"> <input type=hidden name=midi value=1> <div class=playbox> <table> <tr><td> <strong>Sequence</strong>: </td><td> <input type=text name=seq size=15 value="A002910" ><br> </td></tr><tr><td> <strong>Rate (quarter-notes/min, 1-4096)</strong>: </td><td> <input type=text name=bpm size=4 value=100 ><br> </td></tr><tr><td> <strong>Volume (1-127)</strong>: </td><td> <input type=text name=vol size=4 value=100 ><br> </td></tr><tr><td> <strong>Instrument</strong>: </td><td> <select name=voice size=1> <option value=1 selected>1. Acoustic Grand Piano </option> <option value=2>2. Bright Acoustic Piano </option> <option value=3>3. Electric Grand Piano </option> <option value=4>4. Honky-tonk Piano </option> <option value=5>5. Electric Piano 1 </option> <option value=6>6. Electric Piano 2 </option> <option value=7>7. Harpsichord </option> <option value=8>8. Clavi </option> <option value=9>9. Celesta </option> <option value=10>10. Glockenspiel </option> <option value=11>11. Music Box </option> <option value=12>12. Vibraphone </option> <option value=13>13. Marimba </option> <option value=14>14. Xylophone </option> <option value=15>15. Tubular Bells </option> <option value=16>16. Dulcimer </option> <option value=17>17. Drawbar Organ </option> <option value=18>18. Percussive Organ </option> <option value=19>19. Rock Organ </option> <option value=20>20. Church Organ </option> <option value=21>21. Reed Organ </option> <option value=22>22. Accordion </option> <option value=23>23. Harmonica </option> <option value=24>24. Tango Accordion </option> <option value=25>25. Acoustic Guitar (nylon) </option> <option value=26>26. Acoustic Guitar (steel) </option> <option value=27>27. Electric Guitar (jazz) </option> <option value=28>28. Electric Guitar (clean) </option> <option value=29>29. Electric Guitar (muted) </option> <option value=30>30. Overdriven Guitar </option> <option value=31>31. Distortion Guitar </option> <option value=32>32. Guitar harmonics </option> <option value=33>33. Acoustic Bass </option> <option value=34>34. Electric Bass (finger) </option> <option value=35>35. Electric Bass (pick) </option> <option value=36>36. Fretless Bass </option> <option value=37>37. Slap Bass 1 </option> <option value=38>38. Slap Bass 2 </option> <option value=39>39. Synth Bass 1 </option> <option value=40>40. Synth Bass 2 10</option> <option value=41>41. Violin </option> <option value=42>42. Viola </option> <option value=43>43. Cello </option> <option value=44>44. Contrabass </option> <option value=45>45. Tremolo Strings </option> <option value=46>46. Pizzicato Strings </option> <option value=47>47. Orchestral Harp </option> <option value=48>48. Timpani </option> <option value=49>49. String Ensemble 1 </option> <option value=50>50. String Ensemble 2 </option> <option value=51>51. SynthStrings 1 </option> <option value=52>52. SynthStrings 2 </option> <option value=53>53. Choir Aahs </option> <option value=54>54. Voice Oohs </option> <option value=55>55. Synth Voice </option> <option value=56>56. Orchestra Hit </option> <option value=57>57. Trumpet </option> <option value=58>58. Trombone </option> <option value=59>59. Tuba </option> <option value=60>60. Muted Trumpet </option> <option value=61>61. French Horn </option> <option value=62>62. Brass Section </option> <option value=63>63. SynthBrass 1 </option> <option value=64>64. SynthBrass 2 </option> <option value=65>65. Soprano Sax</option> <option value=66>66. Alto Sax</option> <option value=67>67. Tenor Sax</option> <option value=68>68. Baritone Sax</option> <option value=69>69. Oboe</option> <option value=70>70. English Horn</option> <option value=71>71. Bassoon</option> <option value=72>72. Clarinet</option> <option value=73>73. Piccolo</option> <option value=74>74. Flute</option> <option value=75>75. Recorder</option> <option value=76>76. Pan Flute</option> <option value=77>77. Blown Bottle</option> <option value=78>78. Shakuhachi</option> <option value=79>79. Whistle</option> <option value=80>80. Ocarina</option> <option value=81>81. Lead 1 (square)</option> <option value=82>82. Lead 2 (sawtooth)</option> <option value=83>83. Lead 3 (calliope)</option> <option value=84>84. Lead 4 (chiff)</option> <option value=85>85. Lead 5 (charang)</option> <option value=86>86. Lead 6 (voice)</option> <option value=87>87. Lead 7 (fifths)</option> <option value=88>88. Lead 8 (bass + lead)</option> <option value=89>89. Pad 1 (new age)</option> <option value=90>90. Pad 2 (warm)</option> <option value=91>91. Pad 3 (polysynth)</option> <option value=92>92. Pad 4 (choir)</option> <option value=93>93. Pad 5 (bowed)</option> <option value=94>94. Pad 6 (metallic)</option> <option value=95>95. Pad 7 (halo)</option> <option value=96>96. Pad 8 (sweep)</option> <option value=97>97. FX 1 (rain)</option> <option value=98>98. FX 2 (soundtrack)</option> <option value=99>99. FX 3 (crystal)</option> <option value=100>100. FX 4 (atmosphere)</option> <option value=101>101. FX 5 (brightness)</option> <option value=102>102. FX 6 (goblins)</option> <option value=103>103. FX 7 (echoes)</option> <option value=104>104. FX 8 (sci-fi)</option> <option value=105>105. Sitar</option> <option value=106>106. Banjo</option> <option value=107>107. Shamisen</option> <option value=108>108. Koto</option> <option value=109>109. Kalimba</option> <option value=110>110. Bag pipe</option> <option value=111>111. Fiddle</option> <option value=112>112. Shanai</option> <option value=113>113. Tinkle Bell</option> <option value=114>114. Agogo</option> <option value=115>115. Steel Drums</option> <option value=116>116. Woodblock</option> <option value=117>117. Taiko Drum</option> <option value=118>118. Melodic Tom</option> <option value=119>119. Synth Drum</option> <option value=120>120. Reverse Cymbal</option> <option value=121>121. Guitar Fret Noise</option> <option value=122>122. Breath Noise</option> <option value=123>123. Seashore</option> <option value=124>124. Bird Tweet</option> <option value=125>125. Telephone Ring</option> <option value=126>126. Helicopter</option> <option value=127>127. Applause</option> <option value=128>128. Gunshot</option> </select> </td></tr><tr><td> <strong>Attack velocity (1-127)</strong>: </td><td> <input type=text name=velon size=4 value=80 ><br> </td></tr><tr><td> <strong>Release velocity (1-127)</strong>: </td><td> <input type=text name=veloff size=4 value=80 ><br> </td></tr><tr><td> <strong>Pitch modulus (1-128)</strong>: </td><td> <input type=text name=pmod size=4 value=88 ><br> </td></tr><tr><td> <strong>Pitch offset (0-128)</strong>: </td><td> <input type=text name=poff size=4 value=20 ><br> </td></tr><tr><td> <strong>Duration modulus (1-5)</strong>: </td><td> <input type=text name=dmod size=4 value=1 ><br> </td></tr><tr><td> <strong>Duration offset (0-5)</strong>: </td><td> <input type=text name=doff size=4 value=0 ><br> </td></tr><tr><td> <strong>Sequence cutoff (0 for full entry)</strong>: </td><td> <input type=text name=cutoff size=6 value=4096 ><br> </td></tr> </table> <p> <input type=submit name=PLAY value=PLAY > <input type=submit name=SAVE value=SAVE> <p class=playcomments> <strong>Comments.</strong> This page, written by David Applegate, produces a <a href="http://en.wikipedia.org/wiki/MIDI">MIDI</a> file for the sequence using the settings shown.<br> Changing the A-number in the first window will play a different sequence (although it will not change the page heading). <br> Pitch modulus + pitch offset should be < 129, duration modulus + duration offset should be < 6. </div> </div> </form> </div></div> <p> <div class=footerpad></div> <div class=footer> <center> <div class=bottom> <div class=linksbar> <a href="/">Lookup</a> <a href="/wiki/Welcome"><font color="red">Welcome</font></a> <a href="/wiki/Main_Page"><font color="red">Wiki</font></a> <a href="/wiki/Special:RequestAccount">Register</a> <a href="/play.html">Music</a> <a href="/plot2.html">Plot 2</a> <a href="/demo1.html">Demos</a> <a href="/wiki/Index_to_OEIS">Index</a> <a href="/webcam">WebCam</a> <a href="/Submit.html">Contribute</a> <a href="/eishelp2.html">Format</a> <a href="/wiki/Style_Sheet">Style Sheet</a> <a href="/transforms.html">Transforms</a> <a href="/ol.html">Superseeker</a> <a href="/recent">Recents</a> </div> <div class=linksbar> <a href="/community.html">The OEIS Community</a> </div> <div class=linksbar> Maintained by <a href="http://oeisf.org">The OEIS Foundation Inc.</a> </div> <div class=dbinfo>Last modified December 11 20:18 EST 2024. Contains 378626 sequences.</div> <div class=legal> <a href="/wiki/Legal_Documents">License Agreements, Terms of Use, Privacy Policy</a> </div> </div> </center> </div> </body> </html>