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 A098954 #4 Mar 31 2012 13:46:50 %S A098954 10,21,32,43,54,65,76,87,98,100,101,102,103,104,105,106,107,108,109, %T A098954 110,121,132,143,154,165,176,187,198,210,211,212,213,214,215,216,217, %U A098954 218,219,221,232,243,254,265,276,287,298,310,320,321,322,323,324,325,326 %N A098954 Slowest increasing sequence where each number is such that at least one pair of adjacent digits are consecutive, the second one being the smallest. %e A098954 132 shows 32 and thus belongs to the sequence; 123 doesn't fit because the smallest digit (2) has to come in second. %Y A098954 Close to this sequence: A082927 %K A098954 base,easy,nonn %O A098954 1,1 %A A098954 _Eric Angelini_, Oct 21 2004