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A252036
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Number of (n+2)X(4+2) 0..4 arrays with every 3X3 subblock row and column sum nonprime and every diagonal and antidiagonal sum prime
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1
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112929, 183494, 85570, 242893, 958171, 3353508, 10165927, 43093018, 160833703, 479755164, 2129630164, 8304035822, 24338771563, 112393455254, 453850241919, 1310003801065, 6253138371548, 25945878433273, 74044064461017
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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
..1..1..4..1..1..2....4..0..4..4..0..4....4..3..3..4..1..3....3..3..4..3..3..4
..3..1..2..1..1..4....1..2..1..1..2..3....4..3..1..4..3..1....0..0..1..0..0..1
..2..2..0..2..2..0....1..2..1..1..2..1....1..0..0..1..0..0....3..3..4..3..3..4
..3..1..2..1..1..2....2..0..2..2..0..4....4..3..3..4..3..3....3..3..4..3..1..4
..1..3..4..1..1..2....1..4..1..1..2..1....4..3..3..4..1..1....0..0..1..0..0..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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