A189309 Number of nX6 array permutations with each element moving zero or one space diagonally, horizontally or vertically

13, 11854, 3224934, 1198076276, 415003748241, 146610388175180, 51602303242460441, 18184674267197745416, 6407249556340878009729, 2257732956802944727095141, 795558276694503198933970657

Offset

1,1

Comments

Column 6 of A189312

Links

R. H. Hardin, Table of n, a(n) for n = 1..167

Example

Some solutions for 3X6
..0..1..2..3..4..5....0..1..2..3..4..5....0..1..2..3.10..5....0..1..2..3..4.11
..7.14..9..8.10.11...13..6.15..8.11.10....7..6..8.15.11..4....7..8..9.15.10..5
.12..6.13.15.17.16...12..7.14..9.17.16...13.12.14.16..9.17...12..6.13.14.16.17

Crossrefs

Sequence in context: A260457 A219315 A068731 * A203707 A176096 A215685

Adjacent sequences: A189306 A189307 A189308 * A189310 A189311 A189312

Keyword

nonn

Author

R. H. Hardin Apr 19 2011

Status

approved