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 A024465 #3 Mar 30 2012 18:55:54 %S A024465 2,5,12,17,37,48,89,107,189,218,370,424,708,790,1303,1454,2381,2617, %T A024465 4265,4620,7509,8154,13231,14224,23056,24530,39734,42377,68614,72576, %U A024465 117481,124663,201763,212819,344405,360811,583864,613289,992386,1036587,1677300 %N A024465 s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n+1-k), where k = [ (n+1)/2 ], s = (Fibonacci numbers), t = A001950 (upper Wythoff sequence). %K A024465 nonn %O A024465 1,1 %A A024465 _Clark Kimberling_