A181752 - cp's OEIS frontend

A181752 The number of paths of a chess rook in a 7D 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).

%I A181752 #7 Jul 21 2012 19:08:39
%S A181752 1,5040,1781750880,1224777388630320,1139907455908263095760,
%T A181752 1261774625300967410997361200,1562711749309729990152410055981840,
%U A181752 2093930745462011336917616846237237197680,2973970378870521024883907518445574302750687520
%N A181752 The number of paths of a chess rook in a 7D 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).
%e A181752 a(1) = 5040 because there are 5040 rook paths from (0..0) to (1..1).
%Y A181752 Row d=7 of A181731.
%K A181752 nonn
%O A181752 0,2
%A A181752 _Manuel Kauers_, Nov 16 2010

cp's OEIS Frontend

A181752 The number of paths of a chess rook in a 7D 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).