A132058 - OEIS

%I #2 Mar 31 2012 13:20:14

%S 1,29,1037,40559,1667583,70782699,3071608779,135473190854,

%T 6049729693582,272822775416318,12401578633961126,567447248339504450,

%U 26107796156861857866,1206858263561650517658,56014709781906608746434

%N Row sums of triangle A132057 (s2(8)).

%F a(n)=sum(A132057(n, m), m=1..n), n>=1.

%F G.f.: (-1 + (1-49*x)^(-1/7))/(8-(1-49*x)^(-1/7)).

%Y Cf. A092086 (row sums of s2(7)=A092083).

%K nonn,easy

%O 1,2

%A _Wolfdieter Lang_ Sep 14 2007