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A264588
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Number of (5+1)X(n+1) arrays of permutations of 0..n*6+5 with each element having directed index change 1,0 0,-1 1,2 or -1,1.
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1
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1, 16, 25, 505, 3668, 30718, 366292, 2509523, 26091488, 234351923, 1992122611, 19022851600, 163598409399, 1504760262107, 13600577455859, 120731359424594, 1101615290572263, 9840525557651890, 88782728901771783, 800828577200616792
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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
..1..2..3..4..8....1..2..3..4..8....1..2..3..4..8....1..5..3..4..8
..0..7.11.12.13....0..7.11..9.13....6..7..0..9.13....6.10..0..9..2
..5..6.16.14..9....5..6.16.14.18...11.12..5.17.18...11.12.13.14..7
.10.20.18.19.23...10.20.12.22.23...16.20.10.19.14...16.17.21.22.23
.15.25.17.27.28...15.25.17.27.19...15.25.23.27.28...15.25.26.18.19
.26.21.22.29.24...26.21.28.29.24...26.21.22.29.24...20.27.28.29.24
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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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