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A305086
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Number of nX5 0..1 arrays with every element unequal to 1, 2, 3, 6 or 7 king-move adjacent elements, with upper left element zero.
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1
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3, 70, 182, 352, 3384, 15814, 39016, 211725, 1172982, 4246558, 18224573, 92758298, 399649580, 1704469437, 7980924563, 36039025684, 157874571209, 714475210078, 3237465655128, 14422532218849, 64709245581064, 291957648922831
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OFFSET
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1,1
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COMMENTS
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LINKS
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FORMULA
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Empirical recurrence of order 97 (see link above)
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EXAMPLE
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Some solutions for n=5
..0..1..1..1..1. .0..0..1..1..0. .0..1..1..0..0. .0..1..0..0..1
..1..1..1..0..1. .1..0..1..1..0. .0..0..1..0..1. .1..1..0..1..0
..1..1..1..1..0. .1..1..1..1..0. .1..1..1..1..1. .0..0..0..0..0
..0..1..1..1..0. .0..0..1..0..1. .1..0..1..1..1. .0..0..0..1..0
..0..0..1..1..0. .0..1..1..1..0. .0..0..1..1..0. .1..0..0..0..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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