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 A024600 #3 Mar 30 2012 18:55:58 %S A024600 2,5,22,31,78,104,198,240,395,456,688,784,1110,1236,1671,1846,2406, %T A024600 2620,3321,3577,4433,4756,5784,6159,7374,7804,9222,9739,11376,11957, %U A024600 13828,14510,16632,17389,19778,20613,23283,24237,27205,28247,31528,32703,36313 %N A024600 s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n+1-k), where k = [ (n+1)/2 ], s = (odd natural numbers), t = A001950 (upper Wythoff sequence). %K A024600 nonn %O A024600 1,1 %A A024600 _Clark Kimberling_