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A025038 Number of partitions of { 1, 2, ..., 6n } into sets of size 6. 0
1, 462, 2858856, 96197645544, 11423951396577720, 3708580189773818399040, 2779202577056119960603777920, 4263127221846887596248598498826880, 12233832241625685631640659383106015132800 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

FORMULA

(6n)!/(n!(6!)^n). (Christian G. Bower bowerc(AT)usa.net Sep 15 1998).

CROSSREFS

Sequence in context: A027565 A035847 A140905 * A028684 A102997 A139662

Adjacent sequences:  A025035 A025036 A025037 * A025039 A025040 A025041

KEYWORD

nonn

AUTHOR

David W. Wilson (davidwwilson(AT)comcast.net)

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Last modified February 15 20:26 EST 2012. Contains 205852 sequences.