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A219740
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Unmatched value maps: number of nX7 binary arrays indicating the locations of corresponding elements not equal to any horizontal, vertical or antidiagonal neighbor in a random 0..1 nX7 array
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2
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37, 277, 3606, 39905, 466288, 5350080, 61758332, 711479843, 8201909757, 94531063074, 1089590912023, 12558669019786, 144752526242487, 1668430514943073, 19230483410164823, 221652312986931867
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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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Zeilberger's Maple code (see links in A228285) would give a recurrence for this sequence. - N. J. A. Sloane, Aug 22 2013
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EXAMPLE
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Some solutions for n=3
..0..0..1..0..0..0..1....1..0..0..0..0..0..1....0..0..1..0..0..1..0
..0..0..0..0..0..0..0....0..1..0..0..1..0..0....0..0..0..0..0..0..0
..1..0..1..0..0..0..1....0..0..0..0..0..1..0....0..1..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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