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A253041
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Number of (n+2)X(5+2) 0..3 arrays with every consecutive three elements in every row, column, diagonal and antidiagonal having exactly two distinct values, and new values 0 upwards introduced in row major order
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1
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7608, 3894, 6086, 11904, 25601, 53312, 116466, 250443, 537330, 1142134, 2529489, 5410330, 11672542, 25373139, 54991978, 118366292, 258269023, 557768572, 1203890658, 2624078533, 5672275618, 12271876488, 26648529249, 57777917972
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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..0..1..0..1..0..1....0..0..1..1..2..1..2....0..1..0..0..2..2..1
..1..0..0..2..2..1..1....2..1..2..1..1..3..3....2..2..0..0..1..1..2
..1..2..1..2..2..0..0....2..1..1..2..2..3..2....0..2..2..1..2..1..2
..2..2..1..1..0..1..0....1..2..1..2..1..1..3....2..0..0..1..1..0..0
..1..1..2..2..0..0..2....1..1..3..3..1..1..2....0..0..2..0..2..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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