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A221225 T(n,k)=Number of nXk arrays of occupancy after each element stays put or moves to some king-move neighbor 3
1, 3, 3, 8, 35, 8, 21, 400, 400, 21, 55, 4525, 18768, 4525, 55, 144, 51025, 867776, 867776, 51025, 144, 377, 574800, 39983152, 161854465, 39983152, 574800, 377, 987, 6473175, 1840507104, 29983033601, 29983033601, 1840507104, 6473175, 987, 2584 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Table starts

...1.......3..........8..........21..........55........144.........377......987

...3......35........400........4525.......51025.....574800.....6473175.72891475

...8.....400......18768......867776....39983152.1840507104.84698310960

..21....4525.....867776...161854465.29983033601

..55...51025...39983152.29983033601

.144..574800.1840507104

.377.6473175

.987

LINKS

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

EXAMPLE

Some solutions for n=3 k=4

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

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

..0..2..2..0....0..5..1..1....1..0..0..2....0..0..1..2....0..4..0..0

CROSSREFS

Column 1 is A001906

Sequence in context: A222093 A221165 A221776 * A119006 A248241 A109695

Adjacent sequences:  A221222 A221223 A221224 * A221226 A221227 A221228

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin Jan 05 2013

STATUS

approved

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Last modified September 29 16:23 EDT 2022. Contains 357090 sequences. (Running on oeis4.)