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 A092227 #11 Feb 16 2025 08:32:52 %S A092227 31,55,109,133,157,187,211,265,289,314,343,367,421,445,471,499,523, %T A092227 577,601,628,655,679,733,757,785,811,835,889,913,942,967,991,1045, %U A092227 1069,1099,1123,1147,1201,1225,1256,1279,1303,1357,1381,1413,1435,1459,1513,1537 %N A092227 Numbers k such that numerator of Bernoulli(2*k) is divisible by 157, the eighth irregular prime and first irregular prime of index 2. %H A092227 Amiram Eldar, <a href="/A092227/b092227.txt">Table of n, a(n) for n = 1..4000</a> %H A092227 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/BernoulliNumber.html">Bernoulli Number</a>. %t A092227 Select[ Range[ 1569], Mod[ Numerator[ BernoulliB[2# ]], 157] == 0 &] %Y A092227 Cf. A000928, A073277, A091216, A092221, A092222, A092223, A092224, A092225, A092226, A092228, A092229. %K A092227 nonn %O A092227 1,1 %A A092227 _Robert G. Wilson v_, Feb 25 2004