A189183 Number of nX6 array permutations with each element making a single king move

1, 4777, 733465, 524539713, 212852911361, 108943637068673, 51019657551661825, 24772194881412281568, 11859612477133400173321, 5710233425140480749753825, 2743236264948075503280904473, 1319063462694864224288387507313

Offset

1,2

Comments

Column 6 of A189186

Links

R. H. Hardin, Table of n, a(n) for n = 1..150

Example

Some solutions for 3X6
..1..0..3..2..5.10....1..0..8..9..3..4....1..0..3..2..5..4....1..0..3..2..9.11
.12..6.15..4..9.17...12..6..2.10.17..5....7.12.15.14.11.16...13.12..7..4.16..5
.13..8..7.14.11.16...13.14..7.16.15.11...13..6..8..9.17.10....6.14.15..8.17.10

Crossrefs

Sequence in context: A237214 A204727 A203546 * A237095 A138087 A354086

Adjacent sequences: A189180 A189181 A189182 * A189184 A189185 A189186

Keyword

nonn

Author

R. H. Hardin Apr 18 2011

Status

approved