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A252332
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Number of (n+2)X(6+2) 0..3 arrays with every 3X3 subblock row and column sum equal to 0 3 5 6 or 8 and every 3X3 diagonal and antidiagonal sum not equal to 0 3 5 6 or 8
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1
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39981, 40178, 180469, 632453, 3999229, 19701604, 76990025, 492999163, 2520993313, 10349882135, 66879484623, 346316367984, 1469330829789, 9567743491373, 49841941516603, 215437747782647, 1409084461727701
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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=3
..0..2..3..3..2..3..0..2....3..3..2..3..3..2..3..3....0..3..2..3..3..2..3..0
..3..2..3..3..2..0..3..2....0..3..2..3..3..2..0..3....3..3..2..3..0..2..3..3
..2..1..2..2..1..2..2..1....2..2..1..2..2..1..2..2....2..2..1..2..2..1..2..2
..3..2..0..3..2..3..3..2....3..0..2..3..3..2..3..3....3..0..2..3..3..2..3..0
..0..2..3..3..2..3..3..2....0..3..2..3..3..2..3..0....3..3..2..3..3..2..0..3
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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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