A134281 Row sums of triangle A134280 (S2(6)').

1, 7, 73, 1165, 23737, 611221, 18690205, 668252677, 27220297405, 1246965912877, 63372307277821, 3539782399096237, 215467387904873101, 14196835617995678125, 1006540575704304853261, 76406049317127647613901

Offset: 1

Author

Wolfdieter Lang, Nov 13 2007

Keywords

• nonn
• easy

Crossrefs

Cf. A134282 (alternating row sums of triangle A134280).

Formula

a(n) = Sum_{m=1..n} A134280(n,m), n>=1.

a(n) = Sum_{k=1..p(n)} A134279(n,k), with p(n) = A000041(n) (number of partitions of n).