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 A101615 #2 Mar 30 2012 18:59:02
%S A101615 1,1,2,2,1,1,1,1,2,2,2,2,2,2,1,1,1,1,2,2,1,1,1,1,2,2,1,1,1,1,2,2,2,2,
%T A101615 2,2,1,1,1,1,2,2,2,2,2,2,1,1,1,1,2
%N A101615 Number of representations of n as a sum of the Jacobsthal numbers A078008 (2 is allowed twice as a part).
%C A101615 Partial sums are A101616.
%F A101615 G.f.: Product{k>=0, 1+x^A078008(k)}/2
%Y A101615 Cf. A026465.
%K A101615 easy,nonn
%O A101615 0,3
%A A101615 _Paul Barry_, Dec 09 2004