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 A092230 #10 Feb 16 2025 08:32:52 %S A092230 142,592,808,1258,1369,1474,1924,2140,2590,2738,2806,3256,3472,3922, %T A092230 4107,4138,4588,4804,5254,5470,5476,5920,6136,6586,6802,6845,7252, %U A092230 7468,7918,8134,8214,8584,8800,9250,9466,9583,9916,10132,10582,10798,10952,11248 %N A092230 Numbers k such that the numerator of Bernoulli(2k) is divisible by the square of 37, the first irregular prime. %H A092230 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/BernoulliNumber.html">Bernoulli Number</a>. %F A092230 See A090789. %t A092230 Select[ Range[ 5780], Mod[ Numerator[ BernoulliB[2# ]], 37^2] == 0 &] %Y A092230 Equals A090789/2. Cf. A000928, A091216. %K A092230 nonn %O A092230 1,1 %A A092230 _Robert G. Wilson v_, Feb 25 2004 %E A092230 More terms from _T. D. Noe_, Feb 26 2004