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 A024372 #4 Mar 30 2012 18:55:54 %S A024372 1,3,5,7,14,18,29,35,41,47,64,72,93,103,128,140,152,164,195,209,244, %T A024372 260,299,317,360,380,400,420,469,491,544,568,625,651,712,740,805,835, %U A024372 865,895,966,998,1073,1107,1186,1222,1305,1343,1430,1470,1561,1603,1645,1687,1784 %N A024372 s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n+1-k), where k = [ (n+1)/2 ], s = A023532, t = (odd natural numbers). %K A024372 nonn %O A024372 1,2 %A A024372 _Clark Kimberling_