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 A092223 #11 Feb 16 2025 08:32:52 %S A092223 34,84,101,134,184,202,234,284,303,334,384,404,434,484,505,534,584, %T A092223 606,634,684,707,734,784,808,834,884,909,934,984,1010,1034,1084,1111, %U A092223 1134,1184,1212,1234,1284,1313,1334,1384,1414,1434,1484,1515,1534,1584,1616 %N A092223 Numbers k such that numerator of Bernoulli(2*k) is divisible by 101, the fourth irregular prime. %H A092223 Amiram Eldar, <a href="/A092223/b092223.txt">Table of n, a(n) for n = 1..3800</a> %H A092223 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/BernoulliNumber.html">Bernoulli Number</a>. %t A092223 Select[ Range[ 1633], Mod[ Numerator[ BernoulliB[2# ]], 101] == 0 &] %Y A092223 Cf. A000928, A091216, A092221, A092222, A092224, A092225, A092226, A092227, A092228, A092229. %K A092223 nonn %O A092223 1,1 %A A092223 _Robert G. Wilson v_, Feb 25 2004