A221432 T(n,k)=Number of nXk arrays of occupancy after each element moves to some king-move neighbor, without consecutive moves in the same direction

0, 1, 1, 0, 31, 0, 1, 286, 286, 1, 0, 3295, 7573, 3295, 0, 1, 34477, 378956, 378956, 34477, 1, 0, 371116, 14043932, 72740056, 14043932, 371116, 0, 1, 3952193, 581171214, 11340892604, 11340892604, 581171214, 3952193, 1, 0, 42233189, 22893790059

Offset

1,5

Comments

Table starts

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

.1......31.......286........3295.......34477....371116.....3952193.42233189

.0.....286......7573......378956....14043932.581171214.22893790059

.1....3295....378956....72740056.11340892604

.0...34477..14043932.11340892604

.1..371116.581171214

.0.3952193

.1

Links

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

Example

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

Crossrefs

Sequence in context: A091511 A324684 A213070 * A085012 A086019 A040968

Adjacent sequences: A221429 A221430 A221431 * A221433 A221434 A221435

Keyword

nonn,tabl

Author

R. H. Hardin Jan 16 2013

Status

approved