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A152544 Column 2 of triangle A152541. 3
3, 12, 128, 2162, 49600, 1432844, 49817952, 2023012156, 93912730296, 4904242685400, 284505673264128, 18151332186337616, 1263090275990339328, 95206191201187298144, 7727681258907211662080, 672032111511007152558288 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..15.

CROSSREFS

Cf. A152541, A152542, A152543.

Sequence in context: A073987 A317802 A138392 * A280115 A264149 A035087

Adjacent sequences:  A152541 A152542 A152543 * A152545 A152546 A152547

KEYWORD

nonn

AUTHOR

Paul D. Hanna, Dec 12 2008

STATUS

approved

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Last modified January 29 10:34 EST 2020. Contains 331337 sequences. (Running on oeis4.)