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A254853
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Number of (n+2) X (7+2) 0..1 arrays with no 3 X 3 subblock diagonal sum one and no antidiagonal sum two.
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1
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110544, 103684, 216000, 729316, 2811104, 12013156, 50676440, 192820996, 677038812, 2389645456, 8994716592, 36477180100, 149567548816, 578080419856, 2112980405676, 7642791993600, 28538086816176, 112257203522500
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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
..1..1..0..0..0..1..1..1..1....1..0..0..1..1..1..1..1..0
..1..1..1..0..1..0..1..0..0....1..1..1..1..1..1..1..1..0
..0..0..1..1..0..1..0..1..1....0..1..1..1..1..1..0..1..0
..0..0..1..1..1..0..0..0..0....1..1..1..1..1..0..0..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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