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A025608 Number of n-move rook paths on 8 X 8 board from given corner to opposite corner. +0
1
0, 0, 2, 36, 560, 8160, 116192, 1638336, 23006720, 322513920, 4517714432, 63263118336, 885774356480, 12401385185280, 173622657769472, 2430736799809536, 34030432743587840 (list; graph; listen)
OFFSET

0,3

FORMULA

G.f.: [2x^2]/[(1+2x)(1-6x)(1-14x)].

CROSSREFS

Sequence in context: A057407 A092852 A139738 this_sequence A064030 A124104 A112036

Adjacent sequences: A025605 A025606 A025607 this_sequence A025609 A025610 A025611

KEYWORD

nonn,walk

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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