A126464 Row sums of triangle A126460.

1, 2, 3, 8, 50, 635, 13389, 420865, 18491156, 1084804118, 82081329459, 7794746829520, 908790397019076, 127745867968533747, 21322592031518420776, 4171751138526111626665, 946103460280012610769060

Offset: 0

Author

Paul D. Hanna, Dec 27 2006

Keywords

• nonn

Crossrefs

Cf. A126460; A126461, A126462, A126463.

Programs

PARI

{a(n)=sum(k=0,n,abs((matrix(n+1,n+1,r,c, binomial((c-1)*c*(c+1)/3!-k*(k+1)*(k+2)/3!+r-c,r-c))^-1)[n+1,k+1]))}