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A252103
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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 4 6 or 7 and every 3X3 diagonal and antidiagonal sum not equal to 0 3 4 6 or 7
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1
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38599, 50222, 252110, 1129324, 7637420, 41913367, 204205735, 1415634760, 8021937546, 40908964043, 287473121113, 1660335693889, 8693635143767, 61561781177795, 359773581293520, 1913621266032871, 13607101974373159
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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
..3..0..1..3..0..1..3..3....3..2..2..0..2..2..0..2....1..3..0..1..3..3..1..0
..1..1..2..1..1..2..1..1....1..3..0..1..3..0..1..3....2..1..1..2..1..1..2..0
..0..3..1..3..3..1..0..3....3..2..2..3..2..2..3..2....1..3..3..1..3..3..1..0
..3..3..1..0..3..1..3..0....3..2..2..3..2..2..3..2....1..3..0..1..3..0..1..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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