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 A083931 #8 Jan 29 2024 11:23:42 %S A083931 0,4,68,80,1092,1104,1284,1296,1344,17476,17488,17668,17680,17728, %T A083931 20548,20560,20740,20752,20800,21508,21520,21568,21760,279620,279632, %U A083931 279812,279824,279872,282692,282704,282884,282896,282944,283652,283664,283712 %N A083931 a(n) = A000695(A014486(n)). %Y A083931 Used to compute A083932. %Y A083931 Cf. A000695, A014486. %K A083931 nonn %O A083931 0,2 %A A083931 _Antti Karttunen_, May 13 2003