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A283577
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Number of 6Xn 0..1 arrays with no 1 equal to more than one of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly one element.
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1
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0, 924, 36038, 528436, 12699250, 226897932, 4173039716, 75680334636, 1325245534158, 23188665136084, 399584953679136, 6833558444087984, 116073651385176490, 1958677669677212976, 32888238393714753228
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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 64 (see link above)
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EXAMPLE
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Some solutions for n=3
..0..0..0. .1..0..0. .1..1..1. .1..0..1. .1..1..0. .1..0..1. .0..1..1
..0..0..1. .0..1..0. .1..0..1. .1..0..0. .1..0..0. .1..1..1. .1..0..0
..1..1..1. .0..0..0. .1..0..1. .0..0..0. .0..0..1. .1..0..1. .0..0..0
..1..0..1. .0..0..1. .0..0..0. .0..0..0. .1..0..0. .1..0..0. .1..0..0
..1..0..0. .1..1..1. .0..0..0. .0..0..1. .0..0..1. .1..0..0. .1..0..0
..1..0..1. .0..0..1. .0..0..1. .1..1..1. .1..0..1. .0..0..1. .0..0..0
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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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