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 A132167 #2 Mar 31 2012 13:20:14 %S A132167 1,22,379,5713,80032,1080325,14354557,189853438,2511177679, %T A132167 33258000301,440953665088,5849978617585,77627638378537, %U A132167 1030136054227366,13669717178313811,181387989640645081,2406840013228174816 %N A132167 Row sums of triangle A132166 (s1(7)). %F A132167 a(n)=sum(A132166(n,m),m=1..n), n>=1. %F A132167 O.g.f.: g1(7, x)/(1-g1(7, x)) with g1(7, x)=(1-(1-6*x)^6)/(36*(1-6*x)^6), o.g.f. first column of A132166. %Y A132167 Cf. A132168 (alternating row sums of A132166). %K A132167 nonn,easy %O A132167 1,2 %A A132167 _Wolfdieter Lang_ Oct 12 2007