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A252626
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Number of (n+2)X(4+2) 0..3 arrays with no row, column, diagonal or antidiagonal in any 3X3 subblock summing to 1 3 6 or 8
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1
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405044, 5013608, 118551272, 2894745288, 72359809802, 1811913699224, 45371704729062, 1137317580721148, 28509333379628144, 714577961821004794, 17911976379170153868, 448990730607000485512, 11254523930303304555260
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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
..2..0..0..0..0..0....3..1..1..3..0..2....2..0..0..0..2..0....0..0..2..0..2..0
..0..0..0..0..2..2....1..3..1..1..0..3....0..0..0..2..0..0....1..2..2..0..2..2
..0..2..0..0..2..2....1..1..3..0..2..2....2..0..0..2..3..0....3..2..0..0..0..2
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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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