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A264696 Number of nX2 arrays of permutations of 0..n*2-1 with rows nondecreasing modulo 4 and columns nondecreasing modulo 5. 0
1, 2, 3, 22, 93, 790, 7202, 53884, 640932, 7175700, 150597632, 3323171712, 92150022336, 2899990063360, 72285872321536 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Column 2 of A264698.
LINKS
EXAMPLE
Some solutions for n=6
..5.11....0..1....0..1....0..5....5..1....0..5....5.10....5.10....0.11....5.10
..0..6...10.11....5.11...10..6...10.11....6.10....0.11....0.11...10..6....0..6
.10..2....5..6...10..6...11..7....0..6....7.11....6..2....1..6....5..1....8..1
..1..7....8..2....8..7....1..2....8..7....8..1....1..7....2..7....3..7....3.11
..4..8....4..7....4..2....9..3....4..2....9..2....4..8....8..3....9..2....4..2
..9..3....9..3....9..3....4..8....9..3....4..3....9..3....4..9....4..8....9..7
CROSSREFS
Cf. A264698.
Sequence in context: A083178 A268866 A154254 * A166122 A366405 A114996
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 21 2015
STATUS
approved

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Last modified May 20 11:05 EDT 2024. Contains 372712 sequences. (Running on oeis4.)