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A264127
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Number of (n+1)X(7+1) arrays of permutations of 0..n*8+7 with each element having index change +-(.,.) 0,0 1,-2 or 2,-1.
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1
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64, 14994, 5336100, 791859600, 149787576576, 29534515247673, 5905008685374120, 1148453710559071056, 224609350928681097540, 44122398097009194287973, 8673148290802546116091008, 1703443039446493390387758957
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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
..0.16..8..3..4.11..6.13....0..1..2..3.10.11.12.22....0.16..8..3.10.11..6..7
..2..9.10..5.18..7.14.15....8..9..4..5..6.19.14.21....2..9..4..5.18.19.20.15
..1.17.12.19.20.21.22.23...16.17.18.13.20.15..7.23....1.17.12.13.14.21.22.23
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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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