A221602 T(n,k)=Number of nXk arrays of occupancy after each element moves to some king-move neighbor, without move-in move-out left turns

0, 1, 1, 2, 19, 2, 4, 140, 140, 4, 8, 1206, 4656, 1206, 8, 16, 10020, 154886, 154886, 10020, 16, 32, 84160, 5151998, 19661302, 5151998, 84160, 32, 64, 705156, 171049120, 2498630422, 2498630422, 171049120, 705156, 64, 128, 5912277, 5677948938

Offset

1,4

Comments

Table starts

..0......1.........2..........4..........8........16.........32......64.128

..1.....19.......140.......1206......10020.....84160.....705156.5912277

..2....140......4656.....154886....5151998.171049120.5677948938

..4...1206....154886...19661302.2498630422

..8..10020...5151998.2498630422

.16..84160.171049120

.32.705156

.64

Links

Table of n, a(n) for n=1..39.

Example

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

Crossrefs

Sequence in context: A086367 A321340 A221229 * A354207 A358980 A092120

Adjacent sequences: A221599 A221600 A221601 * A221603 A221604 A221605

Keyword

nonn,tabl

Author

R. H. Hardin Jan 20 2013

Status

approved