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 A167618 #2 Mar 30 2012 18:51:05 %S A167618 1,2,2,3,3,2,4,5,2,4,5,3,6,5,3,4,8,5,4,6,2,9,8,4,6,6,5,7,8,3,8,11,6,4, %T A167618 8,5,7,12,5,9,7,5,10,8,6,8,12,5,9,12,3,10,14,3,6,8,10,14,11,8,6,14,5, %U A167618 7,9,8,15,14,5,6,14,8,13,11,6,9,15,8,8,15,5,12,17,6,15,8,8,16,9,6,7,19,8,15 %N A167618 Convolution of A010054 with A052343. %C A167618 a(n) = SUM(A010054(k)*A052343(n-k): 0<=k<=n); %C A167618 A002636(n) <= a(n). %K A167618 nonn %O A167618 0,2 %A A167618 _Reinhard Zumkeller_, Nov 07 2009