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A299331
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Number of nX5 0..1 arrays with every element equal to 2, 3, 4, 5, 6 or 7 king-move adjacent elements, with upper left element zero.
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1
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0, 17, 173, 2537, 46286, 816886, 14783424, 267652693, 4856785087, 88215895898, 1602696122814, 29123485135149, 529251045420760, 9618213506625893, 174796707221176201, 3176688870307290172, 57732099267860132387
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OFFSET
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1,2
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COMMENTS
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LINKS
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FORMULA
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Empirical recurrence of order 76 (see link above)
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EXAMPLE
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Some solutions for n=5
..0..0..0..1..1. .0..1..1..1..1. .0..1..1..0..0. .0..1..1..1..0
..0..0..1..1..0. .0..0..1..1..0. .0..0..1..1..0. .0..0..1..0..0
..0..1..1..0..0. .1..0..1..0..0. .0..1..0..1..0. .0..0..1..0..1
..1..1..1..1..0. .1..1..0..1..1. .0..0..1..0..1. .1..0..0..1..1
..1..1..1..1..1. .1..0..0..0..1. .0..1..1..1..1. .1..1..1..1..1
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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