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A221898
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T(n,k)=Number of nXk arrays of occupancy after each element stays put or moves to some horizontal, vertical or antidiagonal neighbor, without move-in move-out straight through or left turns
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8
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1, 3, 3, 6, 31, 6, 13, 258, 266, 13, 28, 2241, 7667, 2305, 28, 60, 19408, 236532, 235332, 19936, 60, 129, 167960, 7235107, 25821731, 7197649, 172624, 129, 277, 1453952, 221465158, 2815434576, 2814706089, 220361275, 1494152, 277, 595, 12585637
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OFFSET
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1,2
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COMMENTS
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Table starts
...1........3..........6...........13............28...........60............129
...3.......31........258.........2241.........19408.......167960........1453952
...6......266.......7667.......236532.......7235107....221465158.....6778558415
..13.....2305.....235332.....25821731....2815434576.307126807101.33499434763000
..28....19936....7197649...2814706089.1093046005330
..60...172624..220361275.307131177266
.129..1494152.6744533268
.277.12933821
.595
Row and column 2, and row and column 3, have different values but the same recurrences
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LINKS
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EXAMPLE
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Some solutions for n=3 k=4
..0..2..0..2....0..4..0..0....0..2..2..0....0..2..3..2....0..1..0..1
..2..1..0..0....1..1..1..1....1..3..1..0....0..0..0..0....2..1..0..4
..2..0..0..3....0..2..1..1....0..1..0..2....2..1..1..1....2..1..0..0
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CROSSREFS
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KEYWORD
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AUTHOR
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STATUS
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approved
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