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 A093059 #10 Feb 16 2025 08:32:53 %S A093059 1646,1943,3857,4154,4489,6068,6365,8279,8576,8978,10490,10787,12701, %T A093059 12998,13467,14912,15209,17123,17420,17956 %N A093059 Numbers k such that the numerator of Bernoulli(2k) is divisible by the square of 67, the third irregular prime. %H A093059 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/BernoulliNumber.html">Bernoulli Number</a>. %t A093059 Select[ Range[ 9695], Mod[ Numerator[ BernoulliB[2# ]], 67^2] == 0 &] %Y A093059 Cf. A000928, A091216, A092221. %K A093059 nonn %O A093059 1,1 %A A093059 _Robert G. Wilson v_, Feb 26 2004 %E A093059 More terms from _Eric W. Weisstein_, Mar 19 2004