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A216081
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Number of horizontal and antidiagonal neighbor colorings of the odd squares of an n X 5 array with new integer colors introduced in row major order.
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1
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1, 12, 136, 12840, 373780, 99827160, 5116799368, 2751754706832, 212339816996032, 194478305002268064, 20707051422399128416, 29191372156840204219200, 4055642578974004982217280, 8220961603626446873042001408
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OFFSET
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1,2
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COMMENTS
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LINKS
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EXAMPLE
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Some solutions for n=4
..x..0..x..1..x....x..0..x..1..x....x..0..x..1..x....x..0..x..1..x
..2..x..3..x..4....2..x..3..x..4....1..x..0..x..2....1..x..2..x..1
..x..5..x..2..x....x..5..x..3..x....x..2..x..3..x....x..3..x..4..x
..1..x..6..x..1....6..x..5..x..1....1..x..4..x..1....4..x..5..x..0
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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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