A246623 Number of paths of a chess rook in an n-dimensional hypercube from (0...0) to (n...n) where the rook may move in steps that are multiples of (1,0..0), (0,1,0..0), ..., (0..0,1).

1, 1, 14, 9918, 964948464, 25071989721176760, 284751719071722748492598160, 2093930745462011336917616846237237197680, 13828562491398961948219629077212979214965847920914986240, 108581107327233631269616107897051314148463756259194308769323017769436778880

Offset

0,3

Links

Table of n, a(n) for n=0..9.

Crossrefs

Main diagonal of A181731.

Sequence in context: A206357 A147686 A048913 * A208194 A333954 A104376

Adjacent sequences: A246620 A246621 A246622 * A246624 A246625 A246626

Keyword

nonn

Author

Alois P. Heinz, Aug 31 2014

Status

approved