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 A103705 #2 Mar 30 2012 17:31:12
%S A103705 1,7,13,7,9,13,15,7,9,7,11,13,15,13,7,7,7,9,7,11,7,9,13,13,13,15,13,7,
%T A103705 7,13,15,7,9,7,9,7,9,7,11,7,9,13,13,7,9,7,11,13,15,13,15,13,15,13,7,7,
%U A103705 13,15,7,9,7,9,13,15,13,7,7,7,9,7,11,7,9,7,11,7,9,7,11,7,9,13,13,7,9,7,11
%N A103705 Add 6 to each of the preceding digits, beginning with 1.
%t A103705 Flatten[ NestList[ Function[x, Flatten[ IntegerDigits[x] + 6]], {1}, 10]]
%Y A103705 Cf. A103698, A103701, A103702, A103703, A103704, A103706, A103707, A103708.
%K A103705 base,nonn
%O A103705 1,2
%A A103705 _Robert G. Wilson v_, Feb 12 2005