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 A261412 #5 Aug 27 2015 18:40:48 %S A261412 1,2,3,4,7,8,9,10,13,16,17,18,19,20,21,22,56,59,60,63,64,65,66,69,72, %T A261412 73,74,75,76,79,80,88,89,90,91,92,95,96,97,98,99,100,103,114,115,116, %U A261412 125,126,127,128,134,135,138,139,140,141,142,145,146,147,148,149,152,153,154,166,167,170,171,172 %N A261412 Positions of records in A109732. %H A261412 Alois P. Heinz, <a href="/A261412/b261412.txt">Table of n, a(n) for n = 1..20000</a> %Y A261412 Cf. A109732, A261413. %K A261412 nonn %O A261412 1,2 %A A261412 _N. J. A. Sloane_, Aug 25 2015