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 A067333 #4 Mar 31 2012 13:20:07 %S A067333 5,13,31,65,130,250,469,863,1565,2805,4980,8772,15349,26705,46235, %T A067333 79705,136886,234302,399845,680515,1155385,1957293,3309096,5584200, %U A067333 9407525,15823765,26577559,44579633,74681770 %N A067333 Convolution of Fibonacci F(n+1), n>=0, with F(n+5), n>=0. %C A067333 Fifth diagonal of A067330. Fifth column of A067418. %F A067333 a(n)= A067330(n+4, n) = A067418(n+4, 4) = sum(F(k+1)*F(n+5-k), k=0..n), n>=0. %F A067333 a(n)= ((18*n+25)*F(n+1)+11*(n+1)*F(n))/5, with F(n) := A000045(n) (Fibonacci). %F A067333 G.f.: (5+3*x)/(1-x-x^2)^2. %K A067333 nonn,easy %O A067333 0,1 %A A067333 _Wolfdieter Lang_, Feb 15 2002