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A036687 Prod( (3*i+1)! / (n+i)!, i=0..n). 0
1, 12, 420, 35280, 6486480, 2473511040, 1888413246720, 2815188363187200, 8043859365429888000 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

CROSSREFS

Sequence in context: A163971 A098602 A000897 * A123778 A129006 A067429

Adjacent sequences:  A036684 A036685 A036686 * A036688 A036689 A036690

KEYWORD

nonn

AUTHOR

Christian Krattenthaler (kratt(AT)ap.UniVie.AC.AT)

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Last modified February 16 06:27 EST 2012. Contains 205860 sequences.