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 A338359 #5 Nov 03 2020 21:54:32 %S A338359 1,2,-1,3,2,-3,5,2,-3,-2,7,2,-5,11,-4,-3,5,4,-3,7,-2,-13,4,17,-4,15, %T A338359 -26,19,-6,-9,23,-10,-9,-2,10,7,6,-19,29,-18,15,-22,6,13,-8,33,-28, %U A338359 -18,31,-12,15,13,-24,-17,37,-18,7,-12,17,-8,15,-34,41,-18,-21,43,-20,33,-52,47,-24 %N A338359 First differences of A280864. %H A338359 N. J. A. Sloane, <a href="/A338359/b338359.txt">Table of n, a(n) for n = 1..10000</a> %Y A338359 Cf. A280864. %K A338359 sign %O A338359 1,2 %A A338359 _N. J. A. Sloane_, Nov 03 2020