A189184 Number of nX7 array permutations with each element making a single king move.

0, 24577, 9925824, 24377674329, 30863909708032, 51019657551661825, 76260881288534294528, 118756821701162151227761, 182058599536052537764772096, 280897765265782382194137678153

Offset: 1

Author

R. H. Hardin Apr 18 2011

Keywords

• nonn

Comments

Column 7 of A189186

Examples

			Some solutions for 3X7
..1..0..3..2.10..6.12....1..0..3..2..5..4.13....1..0..3..2..5..6.13
.14..7.17..4..5.20.19...14.16..8.11.18.19..6...14..9..8.17.18..4.20
.15..9..8.16.11.18.13...15..7..9.10.17.20.12....7.16.15.10.11.12.19
		

Links

• R. H. Hardin, Table of n, a(n) for n = 1..46