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 A115383 #2 Mar 30 2012 18:59:13
%S A115383 1,2,2,4,4,4,7,8,9,10,13,12,16,20,19,24,25,26,31,32,36,40,42,44,49,54,
%T A115383 54,64,64,64,75,76,81,86,91,92,100,108,108,116,121,126,132,140,144,
%U A115383 148,158,160,169,178,180,192,196,200,211,220,225,230,245,240,256,272,267
%N A115383 Row sums of Thue-Morse correlation triangle A115382.
%F A115383 G.f.: A(x)^2/(1-x^2) where A(x) is the g.f. of the Thue-Morse sequence A010060(n+1); a(n)=sum{k=0..n, sum{j=0..k, A010060(j+1)}*sum{j=0..n-k, A010060(j+1)*(-1)^(n-k-j)}}.
%K A115383 easy,nonn
%O A115383 0,2
%A A115383 _Paul Barry_, Jan 21 2006