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A233881
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Number of (n+1)X(6+1) 0..2 arrays with every 2X2 subblock having the sum of the squares of all six edge and diagonal differences equal to 11
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1
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7600, 95464, 1015656, 14111768, 160334028, 2431002508, 28822097624, 467398305988, 5678281493816, 96535463946148, 1188118761862544, 20852687230063356, 258419860685443880, 4632533010439639564
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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=2
..2..2..2..2..1..2..1....0..2..1..0..2..2..1....1..2..2..2..1..0..1
..1..0..1..0..0..2..0....1..2..0..2..1..0..2....2..0..1..0..2..2..2
..2..0..2..2..1..0..1....0..2..1..0..0..2..1....1..2..2..0..1..0..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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