CINXE.COM
Just a moment...
<!DOCTYPE html><html lang="en-US"><head><title>Just a moment...</title><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=Edge"><meta name="robots" content="noindex,nofollow"><meta name="viewport" content="width=device-width,initial-scale=1"><style>*{box-sizing:border-box;margin:0;padding:0}html{line-height:1.15;-webkit-text-size-adjust:100%;color:#313131;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji}body{display:flex;flex-direction:column;height:100vh;min-height:100vh}.main-content{margin:8rem auto;max-width:60rem;padding-left:1.5rem}@media (width <= 720px){.main-content{margin-top:4rem}}.h2{font-size:1.5rem;font-weight:500;line-height:2.25rem}@media (width <= 720px){.h2{font-size:1.25rem;line-height:1.5rem}}#challenge-error-text{background-image:url(data:image/svg+xml;base64,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);background-repeat:no-repeat;background-size:contain;padding-left:34px}@media (prefers-color-scheme:dark){body{background-color:#222;color:#d9d9d9}}</style><meta http-equiv="refresh" content="390"></head><body class="no-js"><div class="main-wrapper" role="main"><div class="main-content"><noscript><div class="h2"><span id="challenge-error-text">Enable JavaScript and cookies to continue</span></div></noscript></div></div><script>(function(){window._cf_chl_opt={cvId: '3',cZone: "oeis.org",cType: 'managed',cRay: '92bd46e948e56bed',cH: 'DpyZdUlDx_GWH_wIDwgGMypd6r3a9QkLVK0N7PoLwoE-1743900478-1.2.1.1-NjRCr9CkQDthcGfsLNYzTXxqlpY9aorxYZQVfJmQ.5ZrgFvJrNWN4CyNqkdpcvNr',cUPMDTk: "\/?language=kannada&__cf_chl_tk=pFytZn.CEKE58rp0blDNrFGTfOY91_2mqhmyoLqbzuI-1743900478-1.0.1.1-_ovnK_8X2HkcU.i3xPJa1i7d_P8ccHGEe3sctBbk07s",cFPWv: 'g',cITimeS: '1743900478',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/?language=kannada&__cf_chl_f_tk=pFytZn.CEKE58rp0blDNrFGTfOY91_2mqhmyoLqbzuI-1743900478-1.0.1.1-_ovnK_8X2HkcU.i3xPJa1i7d_P8ccHGEe3sctBbk07s",md: "UQmZm_9FjUP.gXMp4YxUc_zEJKIjAe4a0UCfBzEqrec-1743900478-1.2.1.1-XMNiRQGxg03QVO0NElxjVKn6Kmleebz3agawhbkyoMxBuk6O5oaE5ofnG3UGjnLx6B5IBSwUSAAoB0Nk.cf7U5TuEBoIqhWmVWL48g0_EEnYtkei4uyY2JP6CbYzqVa13_fz.1m.KkPZxEw_.ramcSeUj9uxJ3HrMYZdUZ_M8j.kD.i4snfpBw3g4RUiEOoZ4nBkVLkrfgZUEsCe569egnPPlZuwx9S6QLv95PmRJII8P.hk9ypYYzl.vxL3ERapMves6TXscpWC2aqKMSwLlO6PTf6ft18p__nbp0LAco7LPLsJkeHU7u30j10paHMIhhnWy.MnODddaUAlwm7RmBcvto_bEYygsOZOoIjGuKU3osf.gA2KwziSUqbR2TEg9W4n1G01qbBgVCR8VxSyLKg_a8hZD_AP2DaCks6Z4msxUDPxobFtDI0O09_c5ndRlYtkHiGISVi5xaz1UvlJUnADwnETUPz7IyKJaK6vzO4seXlAxRIP8zP0UM23pN6m9x8B74CeuQNORpihQZ5A6fS3NQPQhzb2L0.lQTM2t1PH9fY3mGM43Hp4jW69.0SggiTQ1g.eGZgOCQScXyFv_TBmx9lXglCQ_BOyFKfqj3NrjUA3pOsfZVDN9LQ0cyITH_rQuqfWRpac7QLfwf_dqMJapUkz0XrYQxliYiJir1qX4cPQeWmKfWUeuAK1D7105WiSBo2wawz7oF1qbBhRGKu3DoAgOnICuuv9ChBNcl5pZXuBiVxbTsxOCkyuSijKLxY12G56zwitB2bMoWJFQWpA4NUJxnM362UbLkPPUYM1pcW4KA_sh84L9gs9XozMjAmFOmYb5_FdW.J099uLu8wLSu3.DO4kpQWkdGxOaK_bZ3TCQniIMJJ9NM7zFkXBeYV5rnDC1QWf99lBYmzX_LcTaD6LaP37SN60Vslf.4iWHFlxrtEXGJvYPNM3hnhLokPKu.dO.KZjoNbigRktVfZxV86C0MgmhmuhCDJqPtA9.ldyU4HwK2NGL3L.EYmB43PaN5mY6NuDr.uVKw9ktqaMX5VU0.gtvlrQcJ6cRn1v0ezn7XhN3Inic1yLYbgexdk5x2Ef7S1T6m8wiDtbsA",mdrd: "v0VJjmsLaPQE9hO0xqrYl6x5NGBFUIlUFMsdjExmOMw-1743900478-1.2.1.1-HoA50XXJk3zXTiuDAfiv4281X2Ykf_AIUFxaKkd8VTQO1hEsUN_.9lng.sfGBM_LNINyV5c87e4sKP2qVKL.1kvfr.bml1QJKGL7qxpx1Y61jSISW4t2mMXLbIoFQ9NP9z6kw_1XcX1qRjswCEpZrTbGbd45KmrclMQZVNzHXS4VI6sfsQ594LaSxsCxLHevr6zq3SzmicJKOrCImo2Gf.Jh4ygnxY5p4Ybux52T6ajTHjCwrofft_K22AHT3bv9NnDgOsk6OvIy4eiqNyWnmXK8tTbdASFfZBkPAn1th6dWyOxIk3lMJWEDr1hUdqYy9i8uzsy92TytrDAAtjxOMd17zQvkWF4NRBr4yf.Q8jpIBNYyyI_uydFikoWZOqmL18v9NrGo669F0bqIOsLi6.b9iU81B9jw0hXc21rlgyd01MEHMpDXT3psQLncVu38toTblBn5FxA_IR6_rVCptB2CoLxgixuKw1fNwfNXicsqOGA7xywlUtf5ua2ItiMN8Ajs2MCAaT.EEOcyak6UR.7qEY85CcAsqM5fYXq2Tiz9uXTuZDdYUPbyjWT3gxdOTk9IPKmHOEDzKfsekSV3zOQ1.rDRINgNGtPUrvf1zQhgkRwilGYDnp0JRUwNSX4KP1R4NRiYJ7uRjM7OdSOfGpiG9RBX7a0.QVHX9mQNjPv83kir.E9X5A7ziO.OBAmUtNIfX9eV_0uZOgs2lgPtJ4QSbhcdcu469LevJ9X0sKWGaXLVp9zN_DACQZXUjeKswGgSUFqVONf2NAhX2h5.L.FvhA2DNzhUAVgDD1.o3MmP7uQvfn3GqJgkj5rAf9okb5hSdks3EPfKPiW_qCOHP67N7xUz4KqgPF.FwQgKWhRU53DU.YpQNpZtJ6fp7oUSGcfwmbv0otPnqhjs4XY0COuw3ah1.3G5QujSgiCzL9Jb_pHUwsOMP78xPXaPdZchioTSxyehm70eSGRfwiSt6F35USZaq2YWBx3.1Z4MQisLw.KjlfBFcUkaX7Xl3GyU6OUJZwSf2wH7Yr230ZuSS6pQ6B4UVdga68BA4_XOpp86RUHd4dKFJqWustx88o2urc1ogt3qLi_1XZzCNmhgYZtd2GxrI2fMvsl5wFbvviogtfx8tz1hTfHHmPnyWVerkHXWryEHSbIqfVr94tUORTF.M9DPxt83ru_xct4lFohBfbJDIxRhlseE5XUwrOdc4F3Oqvukk.49EcYwxoaa21tD_2uVFwOWNEQMCm6hMbFh4Wa9CxXfnWwAftoVc3cjEXvHssEbpeV8TaeQ9H7UfzYmjetV7JunAMtZNqyKIYYqaDpvbqjq4TrjQ4zapnp0i1HsLKlEqsVjnVX_bIaKvtONHVe1tCes4IKMajY7yfu4dy2zFs5cup2ik1L4R1LyuN6VuEN8GLN4YAsmNsXm2Oq435V9Wx7Re6x99oKX.w7qtAIFiEl3NzuzbCN5O28uoqhPudPMn3hEhBT9xdWB8WXXIPWgzqOknDek6Nn.8Ghl99ujXdIsSbHzNHwls0Gjf9u2YBT0fpezccG2RbW4U7Cu16PHKZGOmIC.XnhZXgGbxAXULIO0cJmEoGQXSKkTM_2OjjZeEEs5__k3fGPJfr_AZQabTz2rbyMxTSXh8fYmLhbv01zstIgd4xNipxfPebcmxopp.yVZe.7B1hqApOpnNshupmNckmD5f8J6_cT1jXUmvAhcOq.edy0m1JCglMbgzLXeNubGGQ.1xoOGi_yMnhbHpOOD2WAlU9XhnTsqPEkv4uxQ5EXvNbzf56J8_6hU7_PMc_WDsOTP8jqiR_rn7obzaD3_r5xeRSx10JezQB5Pp_9Z5.d9A1Yjn6bpqQZ44bgS87YoWcVIiel_HzQnqcv7.KlsvKUwposdNaal23n7Tk4V6s_JSpS5BGlutEbnNyyT7o_Pn7q0w78OX8dXLOGKPpd3cgvvFZVVHpX9lD.OSxkTtGkGMTFTw4RiF_0GRd56zFjzLngeXneJI3KsuJygTRizRNSIXEtPanoq2vcYFpbu.h2ZXNNW2G2i"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=92bd46e948e56bed';window._cf_chl_opt.cOgUHash = location.hash === '' && location.href.indexOf('#') !== -1 ? '#' : location.hash;window._cf_chl_opt.cOgUQuery = location.search === '' && location.href.slice(0, location.href.length - window._cf_chl_opt.cOgUHash.length).indexOf('?') !== -1 ? '?' : location.search;if (window.history && window.history.replaceState) {var ogU = location.pathname + window._cf_chl_opt.cOgUQuery + window._cf_chl_opt.cOgUHash;history.replaceState(null, null, "\/?language=kannada&__cf_chl_rt_tk=pFytZn.CEKE58rp0blDNrFGTfOY91_2mqhmyoLqbzuI-1743900478-1.0.1.1-_ovnK_8X2HkcU.i3xPJa1i7d_P8ccHGEe3sctBbk07s" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>