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 A316965 #9 Jan 28 2019 06:43:50 %S A316965 0,4,3,5,13,10,11,12,14,26,21,22,23,24,25,27,43,36,37,38,39,40,41,42, %T A316965 44,64,55,56,57,58,59,60,61,62,63,65,89,78,79,80,81,82,83,84,85,86,87, %U A316965 88,90,118,105,106,107,108,109,110,111,112,113,114,115,116 %N A316965 Same as A316670, except numbering of the squares starts at 0 rather than 1. %C A316965 a(n) = A316670(n+1)-1. %C A316965 See A316670 for further information. %H A316965 Daniël Karssen, <a href="/A316965/b316965.txt">Table of n, a(n) for n = 0..999</a> %H A316965 Daniël Karssen, <a href="/A316965/a316965.svg">Figure showing the first 10 steps of the sequence</a> %Y A316965 Cf. A316670 %K A316965 nonn %O A316965 0,2 %A A316965 _Daniël Karssen_, Jul 17 2018