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A251880
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Number of (n+2)X(3+2) 0..4 arrays with every 3X3 subblock row and column sum prime and every diagonal and antidiagonal sum nonprime
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1
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20025, 36085, 94046, 237142, 848547, 2892699, 8113568, 29479780, 102515893, 303454217, 1103232945, 3874324883, 11951362082, 43336404358, 152949477561, 486387698163, 1758213474430, 6216858050103, 20208620436696, 72836307733722
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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..1..2..0....0..3..4..0..1....0..4..3..0..4....1..1..3..3..1
..2..0..3..0..4....3..1..3..3..1....4..0..3..4..0....2..1..0..4..1
..3..3..1..3..3....4..3..0..4..3....3..1..1..1..3....0..3..4..0..3
..2..0..3..0..4....0..3..4..0..1....4..4..3..0..4....1..1..3..1..1
..0..4..3..4..0....3..1..1..1..1....4..0..3..2..0....1..1..0..2..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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