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A196284
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Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 2,0,3,1,4 for x=0,1,2,3,4
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1
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8, 34, 111, 882, 3621, 22971, 138924, 684002, 3547662, 21119073, 123417309, 672321817, 3625436742, 20487480586, 116748710539, 650239402498, 3588244785640, 20046900212152, 112856868883812, 631362977595367
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OFFSET
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1,1
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COMMENTS
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Every 0 is next to 0 2's, every 1 is next to 1 0's, every 2 is next to 2 3's, every 3 is next to 3 1's, every 4 is next to 4 4's
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LINKS
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EXAMPLE
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Some solutions for n=4
..0..0..0..0..1....1..1..0..0..1....1..0..1..1..0....0..0..0..0..1
..1..1..1..1..3....0..3..1..1..3....1..1..3..3..1....1..1..3..1..1
..3..1..3..3..1....1..1..1..3..1....0..1..1..1..1....1..1..1..3..0
..1..0..1..1..0....1..0..0..0..0....1..1..0..0..0....0..0..0..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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