A132167 Row sums of triangle A132166 (s1(7)).

1, 22, 379, 5713, 80032, 1080325, 14354557, 189853438, 2511177679, 33258000301, 440953665088, 5849978617585, 77627638378537, 1030136054227366, 13669717178313811, 181387989640645081, 2406840013228174816

Offset: 1

Author

Wolfdieter Lang Oct 12 2007

Keywords

• nonn
• easy

Crossrefs

Cf. A132168 (alternating row sums of A132166).

Formula

a(n)=sum(A132166(n,m),m=1..n), n>=1.

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.