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A264210
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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 1,0.
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1
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64, 3600, 202500, 6444000, 205062400, 7664479280, 286470082441, 10230591902180, 365361051936400, 13232462572921540, 479246665225414969, 17287771862947893280, 623618436332279833600, 22524831425285054696000
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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
..3..1..2....2..1..0....2..1..0....0..1..2....0..4..5....0..1..2....3..4..0
..0..4..5....5..4..8....5..4..3....5..7..3....6..1..2....3..4..8....6..1..2
..6..7..8....3..7..6....8.10..6....8..4..6....3..7.11....6.10..5....8..7..5
.11.13..9...12.13.14....9..7.11...11.13..9....9.13..8....9..7.11...11.13..9
.12.10.14....9.10.11...12.13.14...12.10.14...12.10.14...12.13.14...12.10.14
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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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