A221749 T(n,k)=Number of nXk arrays of occupancy after each element moves to some king-move neighbor, without move-in move-out straight through or left turns

0, 1, 1, 0, 19, 0, 1, 98, 98, 1, 0, 817, 1050, 817, 0, 1, 5567, 32129, 32129, 5567, 1, 0, 41067, 617713, 3389575, 617713, 41067, 0, 1, 293058, 14217642, 241376639, 241376639, 14217642, 293058, 1, 0, 2119375, 302341148, 19762890960

Offset

1,5

Comments

Table starts

.0......1........0.........1.........0...........1.........0.......1.0

.1.....19.......98.......817......5567.......41067....293058.2119375

.0.....98.....1050.....32129....617713....14217642.302341148

.1....817....32129...3389575.241376639.19762890960

.0...5567...617713.241376639

.1..41067.14217642

.0.293058

.1

Links

Table of n, a(n) for n=1..40.

Example

Some solutions for n=3 k=4
..1..1..1..1....2..1..0..1....1..1..3..1....0..2..2..1....2..1..2..0
..0..1..0..1....0..2..3..0....1..0..2..0....1..2..1..2....1..2..1..2
..1..3..1..1....1..1..1..0....1..0..1..1....0..0..0..1....0..0..1..0

Crossrefs

Sequence in context: A340650 A226373 A240952 * A055967 A366110 A317447

Adjacent sequences: A221746 A221747 A221748 * A221750 A221751 A221752

Keyword

nonn,tabl

Author

R. H. Hardin Jan 24 2013

Status

approved