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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). 5
1, 3, 9, 30, 115, 510, 2602, 15133, 99367, 729962, 5949393, 53392902, 524077321, 5592200388, 64520858034, 801031071955, 10654883235991, 151253483735767, 2283450321888155, 36544617881242655, 618220383026770560 (list; graph; refs; listen; history; text; internal format)
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: A308554 A055730 A120018 * A279199 A292758 A297198

Adjacent sequences:  A091350 A091351 A091352 * A091354 A091355 A091356

KEYWORD

nonn

AUTHOR

Paul D. Hanna, Jan 02 2004

STATUS

approved

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Last modified October 19 16:17 EDT 2019. Contains 328223 sequences. (Running on oeis4.)