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 A226612 #8 Jun 15 2013 19:32:29 %S A226612 1,2,7,8,10,19,21,22,25,27,31,32,34,37,38,39,46,47,48,51,58,60,61,62, %T A226612 69,72,73,77,80,81,82,85,88,90,97,99,100,101,102,104,109,111,115,117, %U A226612 120,122,127,128,131,134,136,138,139,140,144,146,149,151,153,160 %N A226612 Index of the first element of row n of A226607. %H A226612 Geoffrey H. Morley, <a href="/A226612/b226612.txt">Table of n, a(n) for n = 1..6667</a> %Y A226612 a(n) is also the index of the first element of row n in A226608 to A226611. %Y A226612 Cf. A226613, A226628. %K A226612 nonn %O A226612 1,2 %A A226612 _Geoffrey H. Morley_, Jun 13 2013