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A265599
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Number of nX6 0..n*6-1 arrays with upper left zero and lower right n*6-1 and each element differing from its horizontal, vertical and antidiagonal neighbors by a power of two.
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1
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79, 257, 0, 572832, 19502116, 0, 108447811968, 4758708947913, 0, 20923382039141133, 4003086165229581469, 0, 20474033731697719148101, 2110020981407123735448272, 0, 11283032007627517622661436951
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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
..0..2..1..3..5..7....0..8..7..6..5..7....0..8..4..3..5..7....0..8..7..9..5..7
..1..3..5..7..9.11....4..6..8..7..9.11....4..6..2..1..9.11....4..6..8..7..3.11
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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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