A189185 Number of nX8 array permutations with each element making a single king move.

1, 127385, 142150545, 1162453545201, 4646631858824169, 24772194881412281568, 118756821701162151227761, 594579828469677562655346609, 2929346624538378869533780899145, 14529411775016363663957822341921161

Offset: 1

Author

R. H. Hardin Apr 18 2011

Keywords

• nonn

Comments

Column 8 of A189186

Examples

			Some solutions for 3X8
..1..0..3..2..5..4..7..6....1..0..3..2..5..4..7..6....1..0..3..2..5..4..7..6
.17.16..9.20.11.21.13.14...17.16..9.19.20.14.21.22...17.16.18.19.11.21.23.22
..8.10.19.18.12.22.23.15....8.18.10.12.11.13.23.15....8..9.10.20.12.13.14.15
		

Links

• R. H. Hardin, Table of n, a(n) for n = 1..15