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 A024596 #3 Mar 30 2012 18:55:58 %S A024596 0,1,3,2,4,3,6,11,19,18,30,29,48,45,74,66,108,87,142,230,373,372,603, %T A024596 600,972,964,1561,1540,2493,2438,3946,3802,6153,5776,9346,8358,13525, %U A024596 10939,17701,28642,46345,46332,74968,74934,121247,121158,196039,195806 %N A024596 a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n+1-k), where k = [ (n+1)/2 ], s = (F(2), F(3), ...), t = A014306. %K A024596 nonn %O A024596 1,3 %A A024596 _Clark Kimberling_