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 A136332 #4 Sep 22 2013 23:13:32 %S A136332 1,2,3,4,5,6,7,8,9,10,11,12,21,29,31,32,35,36,37,38,39,43,48,49,53,54, %T A136332 55,56,65,67,75,76,77,78,86,87,88,89,95,96,97,98,99,106,107,108,109, %U A136332 110,111,112,120,123,132,192,210,212,213,231,251,312,318,319,321,324 %N A136332 a(n) is the smallest term appearing after a(n-1) in A067581. %e A136332 a(13) = 21 because 21 is the lowest term appearing after 12 in A067581 %Y A136332 Cf. A067581. %K A136332 base,easy,nonn %O A136332 1,2 %A A136332 _Johan Särnbratt_, Mar 27 2008