A189311 Number of nX8 array permutations with each element moving zero or one space diagonally, horizontally or vertically

34, 351521, 710856569, 2208514085834, 6245362716915409, 18184674267197745416, 52723822292058373369892, 153220700522675894994117846, 445293170067952800448783450060, 1294456714606839116930081199704670

Offset

1,1

Comments

Column 8 of A189312

Links

R. H. Hardin, Table of n, a(n) for n = 1..14

Example

Some solutions for 3X8
..0..1..2..3..4..5..6..7....0..1..2..3..4..5..6..7....0..1..2..3..4..5..6..7
..8..9.10.11.13.12.15.14...17..9.19.11.20.12.13.23...17..9.10.20.12.13.23.14
.16.17.19.18.20.21.22.23...16..8.18.10.21.22.14.15...16..8.18.11.19.21.22.15

Crossrefs

Sequence in context: A189649 A280901 A279376 * A189253 A250488 A236237

Adjacent sequences: A189308 A189309 A189310 * A189312 A189313 A189314

Keyword

nonn

Author

R. H. Hardin Apr 19 2011

Status

approved