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A231842
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Number of 4Xn 0..3 arrays with no element less than a strict majority of its horizontal and antidiagonal neighbors
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1
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256, 3823, 111621, 3477361, 124132900, 4378313800, 150624159314, 5122053368703, 173935962002791, 5914591691652487, 201302640481651930, 6852837476350210815, 233279127016289974579, 7940697986290030781206, 270291946695181993650338
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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..0....2..1..0....2..2..0....2..2..2....0..0..0....2..1..1....1..1..0
..1..1..3....0..0..0....0..0..1....0..0..3....0..0..1....1..2..2....3..0..0
..1..1..0....3..3..1....2..3..2....0..1..1....0..2..0....3..3..1....3..3..2
..0..0..0....1..1..1....2..2..3....2..2..2....0..0..2....2..1..1....1..1..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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