A181751 The number of paths of a chess rook in a 6D 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, 720, 19445040, 906140159280, 54259623434853360, 3751591832963936408880, 284751719071722748492598160, 23074162542675887567516737575120, 1962510523766609850302634846653001840, 173256558851090756974435967247639154062480

Offset: 0

Author

Manuel Kauers, Nov 16 2010

Keywords

• nonn

Examples

			a(1) = 720 because there are 720 rook paths from (0..0) to (1..1).
		

Crossrefs

Row d=6 of A181731.