A091353 Row sums of the matrix square of triangle A091351, in which the k-th column lists the row sums of A091351^k (the k-th power of A091351 when considered as a lower triangular matrix).

1, 3, 9, 30, 115, 510, 2602, 15133, 99367, 729962, 5949393, 53392902, 524077321, 5592200388, 64520858034, 801031071955, 10654883235991, 151253483735767, 2283450321888155, 36544617881242655, 618220383026770560

Offset

0,2

Comments

Also equals the second column of triangle A091351.

Links

Table of n, a(n) for n=0..20.

Crossrefs

Cf. A091351, A091352, A091354.

Sequence in context: A055730 A120018 A354120 * A279199 A352280 A292758

Adjacent sequences: A091350 A091351 A091352 * A091354 A091355 A091356

Keyword

nonn

Author

Paul D. Hanna, Jan 02 2004

Status

approved