This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A114649 #17 Feb 16 2025 08:32:59 %S A114649 6,30,42,66,510,138,798,2730,870,282,330,354,1806,498,1590 %N A114649 Denominators of BernoulliB ranked by frequency of occurrence. %C A114649 a(n+1) mod 9 = 6, 3, 6, 3, 6, 3, 6, 3, 6, 3, 6, 3, 6, 3, 6 which appears to be A010704(n+1). - _Paul Curtz_, Oct 28 2012 %H A114649 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/BernoulliNumber.html">Bernoulli Number</a> %Y A114649 Cf. A002445, A090126, A090801, A100194. %K A114649 nonn,hard %O A114649 1,1 %A A114649 _Eric W. Weisstein_, Dec 21 2005 %E A114649 Additional 10 terms from _Eric W. Weisstein_ link, Oct 28 2012