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A233636
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Number of (n+1)X(n+1) 0..2 arrays with every 2X2 subblock having the sum of the squares of the edge differences equal to 2
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1
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24, 534, 26192, 3455622, 1060656512, 864270587606, 1663637150636064, 8467990788094853738, 102371522246758691277864, 3269963168017705080985673118, 248504876118364953895295524844600
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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
..2..2..1..2....1..1..1..1....1..0..1..1....1..1..2..2....1..0..0..1
..1..1..1..1....2..1..0..0....1..1..1..0....2..1..2..1....1..1..1..1
..0..0..1..0....2..1..1..1....1..2..1..1....1..1..1..1....1..2..2..1
..1..1..1..0....2..1..2..1....2..2..1..2....1..2..2..2....1..1..2..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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