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A254977
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Number of (n+2)X(7+2) 0..1 arrays with no 3x3 subblock diagonal sum 0 or 1 and no antidiagonal sum 0 or 1 and no row sum 0 and no column sum 0
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1
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94351, 2243657, 57587977, 951267911, 18669294271, 386436174713, 7506000777648, 145847668391275, 2900830105049490, 57118339761224326, 1122049943267876632, 22112705475392097501, 435706316389694278197, 8575771122835177541348
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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=1
..1..0..1..1..1..0..1..1..0....1..1..1..0..1..0..1..0..0
..1..0..1..0..1..0..1..1..1....0..1..1..0..1..0..1..1..1
..1..1..1..1..1..1..1..1..1....0..1..1..1..1..1..1..1..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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