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A264198
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Number of (4+1)X(n+1) arrays of permutations of 0..n*5+4 with each element having index change +-(.,.) 0,0 0,2 or 2,1.
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1
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8, 360, 19845, 395280, 10764800, 324210304, 9863496016, 279809075700, 8157568320000, 238979576637900, 7001055126046864, 204177934975626752, 5968556502961102848, 174493143469741118400, 5100928646184033070545
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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
..2..3..0..1....2..3..0..1....9..3..0..1....2..3..0..1....9..1..0..3
..6..5.15..7...13..7.15..5....6..5.15..7...13..5.15..7...13..7..4..5
.17..9.10.11...10.11.19..9...17.11.10..2....8.11.10..9...10.11..8..2
.14..4.12.13...14..4.12..6...14..4.12.13...14..4.12..6...14.15.12..6
.18..8.16.19...16..8.18.17...18..8.16.19...16.17.18.19...16.17.18.19
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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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