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 A024695 #3 Mar 30 2012 18:55:59 %S A024695 0,0,1,1,1,1,2,2,3,3,3,3,5,4,5,5,6,6,7,7,7,7,9,8,9,9,10,10,12,11,12, %T A024695 12,13,13,14,13,14,15,15,15,16,16,17,18,18,18,19,19,20,20,21,21,22,23, %U A024695 23,23,23,23,25,24,25,25,26,26,28,27,28,28,29,29,30,30,31,31,33,32,33,33,34,34,35 %N A024695 s(1)s(n) + s(2)s(n-1) + ... + s(k)s(n+1-k), where k = [ (n+1)/2 ], s = A014306. %K A024695 nonn %O A024695 1,7 %A A024695 _Clark Kimberling_