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A264170
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Number of (n+1)X(5+1) arrays of permutations of 0..n*6+5 with each element having directed index change 0,0 0,1 1,0 -2,-1 or -1,-2.
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1
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33, 1862, 50237, 1531900, 47277776, 1432853288, 43416669841, 1312690666360, 39639424508160, 1196969465424056, 36132067025659552, 1090365906204745440, 32902518616192382108, 992826504877585500504, 29957225880369186626053
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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=3
.13..1.10..2..3..4....0..1..2..3..4..5....8..9..2.16..3..5....0..1.10..2..4..5
..0..7.16.22..9..5...19.20..7.17..9.11....0..1..7.22..4.11...14.20..7..3..9.11
..6.12..8.23.15.11....6.13..8.23.10.16....6.12.13.15.10.17....6.12..8.23.15.16
.18.19.14.20.21.17...12.18.14.15.21.22...18.19.14.20.21.23...18.13.19.21.22.17
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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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