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A025039 Number of partitions of { 1, 2, ..., 7n } into sets of size 7. +0
1
1, 1716, 66512160, 19688264481600, 26478825654361766400, 119059073926364394099763200, 1461034854396267778567973305958400, 42354925592620124113657511548409579520000 (list; graph; listen)
OFFSET

1,2

FORMULA

(7n)!/(n!(7!)^n). (Christian G. Bower bowerc(AT)usa.net Sep 15 1998).

CROSSREFS

Sequence in context: A008744 A024408 A140910 this_sequence A068303 A048958 A035867

Adjacent sequences: A025036 A025037 A025038 this_sequence A025040 A025041 A025042

KEYWORD

nonn

AUTHOR

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

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Last modified July 19 08:04 EDT 2008. Contains 142098 sequences.


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