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A221655 T(n,k)=Number of nXk arrays of occupancy after each element moves to some horizontal, diagonal or antidiagonal neighbor, without move-in move-out left turns 7
0, 1, 0, 2, 4, 0, 4, 24, 12, 0, 8, 165, 230, 40, 0, 16, 1054, 5879, 2594, 136, 0, 32, 6862, 128076, 233781, 28478, 460, 0, 64, 44576, 2853634, 17254611, 9205038, 313721, 1556, 0, 128, 289789, 63318470, 1312503181, 2299842566, 361920243, 3449644, 5264, 0 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,4

COMMENTS

Table starts

.0....1.......2.........4..........8.........16..........32.........64.....128

.0....4......24.......165.......1054.......6862.......44576.....289789.1883406

.0...12.....230......5879.....128076....2853634....63318470.1408047450

.0...40....2594....233781...17254611.1312503181.99007036296

.0..136...28478...9205038.2299842566

.0..460..313721.361920243

.0.1556.3449644

.0.5264

.0

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..49

EXAMPLE

Some solutions for n=3 k=4

..0..0..2..1....0..1..3..1....0..1..0..1....0..2..0..1....0..2..2..1

..1..4..2..0....0..1..1..2....0..3..3..1....2..0..1..1....1..0..0..1

..0..0..1..1....1..1..1..0....1..0..2..0....0..2..3..0....1..2..2..0

CROSSREFS

Sequence in context: A256487 A079985 A059226 * A221087 A279580 A197513

Adjacent sequences:  A221652 A221653 A221654 * A221656 A221657 A221658

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin Jan 21 2013

STATUS

approved

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Last modified November 29 21:32 EST 2021. Contains 349416 sequences. (Running on oeis4.)