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 A270366 #5 Mar 16 2016 00:32:39 %S A270366 1,2,2,4,2,8,0,2,14,2,0,6,0,26,4,2,0,0,8,2,0,54,0,8,0,0,2,0,0,16,6,0, %T A270366 0,0,106,0,0,16,0,0,0,6,0,0,0,0,0,32,0,8,2,0,0,0,0,214,0,0,0,0,32,0,0, %U A270366 0,0,0,0,8,0,2,0,0,0,0,0,0,64,0,0,22,0,0,0,0,0,0,0,0,0,426,0,0,0,0,0,0,0,64,0,0,0,0,0,0,0,0,0,0,16,6,0,0,0,0,0,0,0,0,0,0 %N A270366 a(n) = number of times n appears in A270362. %Y A270366 Cf. A002487, A270362. %K A270366 nonn %O A270366 0,2 %A A270366 _Jeffrey Shallit_, Mar 15 2016