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A232200
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Number of (n+1)X(4+1) 0..2 arrays with every element both >= and <= some horizontal, vertical or antidiagonal neighbor
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1
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4483, 745157, 108997581, 16237318767, 2425888162725, 362285582855051, 54098452658673021, 8078379401440126991, 1206326901993417809943, 180138093804741886040287, 26899615671950715433420665
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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=1
..0..0..2..2..1....0..0..2..0..2....0..2..2..0..0....0..2..2..0..0
..0..1..1..2..1....0..2..2..0..2....0..1..0..0..0....0..2..1..1..0
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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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