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A293099
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Number of n X 7 0..1 arrays with the number of 1's horizontally, diagonally or antidiagonally adjacent to some 0 two less than the number of 0's adjacent to some 1.
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1
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3, 2220, 205195, 24773296, 2728695681, 328979478088, 38469698642410, 4665971856266714, 560706154294046909, 68470475134869958112, 8347937003432022928553, 1025774531240519319091628
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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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EXAMPLE
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Some solutions for n=2
..0..0..1..0..0..0..0. .0..0..0..1..0..0..0. .0..1..0..0..0..0..1
..0..0..1..0..1..1..1. .1..1..0..0..1..1..1. .0..1..0..0..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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