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Search: id:A028918
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A028918 (3n+1)!/(4*(3n-1)). +0
1
3, 252, 113400, 141523200, 373621248000, 1788898535424000, 14050009097220096000, 168600109166641152000000, 2931618698189556350976000000, 70886540122223472566599680000000 (list; graph; listen)
OFFSET

1,1
CROSSREFS

Sequence in context: A158351 A025418 A075901 this_sequence A045824 A027860 A059947

Adjacent sequences: A028915 A028916 A028917 this_sequence A028919 A028920 A028921

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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