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A189310
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Number of nX7 array permutations with each element moving zero or one space diagonally, horizontally or vertically
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1
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21, 64554, 47862876, 51426223446, 50887086987153, 51602303242460441, 52114841233680255776, 52723822292058373369892, 53334566247423719719274768, 53960411851826546879505032814, 54594452516600107067153896876896
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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 3X7
..0..1..2..3..4..5.13....0..1..2..3..4..6..5....0..1..2..3..4..6..5
..8.15..9.18.11.12..6....8..7..9.10.11.13.12....8..7..9.10.11.12.13
.14..7.17.16.10.20.19...15.14.16.18.17.20.19...15.14.17.16.18.19.20
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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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