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A230729
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Number of nX7 0..5 arrays x(i,j) with each element horizontally or antidiagonally next to at least one element with value (x(i,j)+1) mod 6, and upper left element zero
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1
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0, 120, 32094, 9059304, 2754151172, 819577760474, 243012308326942, 72110003488927180, 21398916870200403146, 6350146791602665380262, 1884420517721946748940350, 559205954696949095788053264
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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
..0..1..2..1..0..5..4....0..1..2..0..1..2..2....0..1..2..1..0..3..2
..0..3..4..5..5..3..2....0..3..5..4..3..3..2....0..3..4..5..4..0..5
..3..4..5..0..2..4..3....4..5..0..1..4..5..0....0..1..0..5..1..4..3
..3..2..1..0..5..4..3....4..3..2..3..2..1..0....2..3..4..2..3..2..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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