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 A278536 #8 Jul 09 2025 04:42:08 %S A278536 3,1,4,1,3,4,3,1,4,1,3,4,3,1,4,1,3,4,3,1,4,1,3,4,3,1,4,1,3,4,3,1,4,1, %T A278536 3,4,3,1,4,1,3,4,3,1,4,1,3,4,3,1,4,1,3,4,3,1,4,1,3,4,3,1,4,1,3,4,3,1, %U A278536 4,1,3,4,3,1,4,1,3,4,3,1,4,1,3,4,3,1,4,1,3,4,3,1,4,1,3,4,3,1,4,1,3,4,3,1,4,1,3,4,3,1,4,1,3,4,3,1,4,1,3,4 %N A278536 First differences of A273324. %C A278536 Periodic with a period of six: [3, 1, 4, 1, 3, 4] ? %H A278536 Antti Karttunen, <a href="/A278536/b278536.txt">Table of n, a(n) for n = 1..9996</a> %F A278536 a(n) = A273324(1+n) - A273324(n). %Y A278536 Cf. A273324. %K A278536 nonn %O A278536 1,1 %A A278536 _Antti Karttunen_, Nov 26 2016, after _Altug Alkan_'s comment in A273324