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A152542 Column 0 of triangle A152541. 3
1, 2, 16, 230, 4704, 124388, 4029888, 154462924, 6834212520, 342732052968, 19208758459008, 1189732051180016, 80692431912452864, 5947714658316493728, 473385135814528562176, 40461455930940173038416 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

CROSSREFS

Cf. A152541, A152543, A152544.

Sequence in context: A047657 A188500 A188515 * A206877 A206995 A206779

Adjacent sequences:  A152539 A152540 A152541 * A152543 A152544 A152545

KEYWORD

nonn

AUTHOR

Paul D. Hanna (pauldhanna(AT)juno.com), Dec 12 2008

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Last modified February 17 00:09 EST 2012. Contains 205978 sequences.