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A216717 Duplicate of A174072. 0
1, 2, 6, 24, 114, 674, 4714, 37754, 340404, 3412176, 37631268 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..11.

CROSSREFS

Duplicate of A174072.

Sequence in context: A189846 A189283 A177522 * A174072 A224255 A326348

Adjacent sequences:  A216714 A216715 A216716 * A216718 A216719 A216720

KEYWORD

dead

AUTHOR

N. J. A. Sloane, Sep 15 2012

STATUS

approved

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Last modified August 5 08:48 EDT 2021. Contains 346464 sequences. (Running on oeis4.)