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A205242
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Number of (n+1)X5 0..2 arrays with the number of rightwards and downwards edge increases in each 2X2 subblock differing from the number in each of its horizontal and vertical neighbors
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1
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18148, 323806, 7051340, 144087952, 2954664074, 60907844595, 1253758820754, 25826772963664, 531753841353962, 10966785381217104, 225806941294781192, 4658026215140463264, 95926375405868551142, 1978420742738282021648
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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=4
..0..0..2..0..2....2..0..2..1..0....2..1..2..2..0....2..0..0..1..2
..2..0..1..0..0....2..1..2..1..1....0..0..2..0..2....2..2..1..2..1
..0..2..2..1..2....1..0..2..2..2....1..1..2..1..2....0..0..1..2..0
..0..0..0..1..2....2..1..2..1..2....0..1..2..0..1....2..0..1..0..2
..2..2..0..1..1....0..0..2..2..0....0..1..0..1..2....2..0..2..1..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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