A181726 The number of paths of a chess rook in a 10D 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, 3628800, 6290830003852800, 30306073546461323055916800, 231242270452155338291905203314956800, 2293197130058463838438742129627609575368940800, 26941822036577030394903099245279465611395585827577676800

Offset

0,2

Links

Table of n, a(n) for n=0..6.

Example

a(1) = 3628800 because there are 3628800 rook paths from (0..0) to (1..1).

Crossrefs

Row d=10 of A181731.

Sequence in context: A227672 A172540 A071552 * A195394 A053501 A229677

Adjacent sequences: A181723 A181724 A181725 * A181727 A181728 A181729

Keyword

nonn

Author

Manuel Kauers, Nov 16 2010

Status

approved