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

1,2

Comments

Column 7 of A189186

Links

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

Example

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

Crossrefs

Sequence in context: A203983 A188791 A195650 * A321148 A216069 A204481

Adjacent sequences: A189181 A189182 A189183 * A189185 A189186 A189187

Keyword

nonn

Author

R. H. Hardin Apr 18 2011

Status

approved