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 A123644 #3 Mar 30 2012 18:50:55 %S A123644 0,2,3,7,8,9,13,31,32,33,34,42,54,71,81,92,96,133,149,150,157,214,234, %T A123644 254,297,335,386,396,425,542,618,656,666,759,1098,1294,1378,1481,1487, %U A123644 1549,1707,1771,2004,2044,2303,2528,2776,2852,3700,4467,4580,5453,6514 %N A123644 Where record values occur in A062039. %C A123644 A123643(n) = A062039(a(n)). %K A123644 nonn %O A123644 0,2 %A A123644 _Reinhard Zumkeller_, Oct 04 2006