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A059726 Row sums of A059720. 1
1, 1, 3, 13, 69, 457, 3579, 32521, 335853, 3888823 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

COMMENTS

I would very much like to find a formula for this - N. J. A. Sloane.

LINKS

Table of n, a(n) for n=0..9.

CROSSREFS

Sequence in context: A007808 A104989 A119906 * A274379 A192209 A154677

Adjacent sequences:  A059723 A059724 A059725 * A059727 A059728 A059729

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Feb 09 2001

STATUS

approved

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Last modified February 22 18:00 EST 2018. Contains 299469 sequences. (Running on oeis4.)