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A233987
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Number of (n+1)X(6+1) 0..4 arrays with every 2X2 subblock having the sum of the squares of the edge differences equal to 10, and no two adjacent values equal
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1
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70176, 2520604, 88388464, 3423714364, 128552152496, 5022726159372, 191944315497416, 7487035849093952, 287988408968956708, 11207807841979934484, 432438537179737859672, 16802135571140886642280
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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
..2..3..2..3..2..1..3....3..4..3..4..2..4..3....1..2..0..2..1..2..1
..0..2..4..2..4..2..4....4..2..1..3..1..2..4....3..1..2..1..3..4..3
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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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