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 A036274 #5 Jul 08 2025 21:43:47 %S A036274 1,2,0,0,0,2,0,0,0,2,0,2,0,2,2,0,0,2,2,2,2,2,2,2,0,8,0,0,2,4,2,0,4,2, %T A036274 0,0,0,2,4,2,0,2,6,0,0,4,6,2,0,2,0,4,0,0,2,0,4,4,0,0,6,0,2,4,2,2,4,6, %U A036274 0,2,2,2,2,2,0,0,2,2,6,4,2,0,2,2,2,2,4,4,2,4,0,2,0 %N A036274 Absolute values of differences of A036273. %Y A036274 Cf. A036262, A036263. %K A036274 nonn %O A036274 0,2 %A A036274 _N. J. A. Sloane_