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A256412 Column 2 of triangle in A256411. 1
8, 37, 145, 452, 1374, 3933 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,1

LINKS

Table of n, a(n) for n=2..7.

CROSSREFS

Cf. A256411.

Sequence in context: A035038 A240188 A294372 * A272731 A272806 A272783

Adjacent sequences:  A256409 A256410 A256411 * A256413 A256414 A256415

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane, Apr 03 2015

STATUS

approved

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Last modified December 3 00:59 EST 2021. Contains 349445 sequences. (Running on oeis4.)