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A264710 Number of 2Xn arrays of permutations of 0..n*2-1 with rows nondecreasing modulo 3 and columns nondecreasing modulo 6. 0
1, 1, 8, 84, 800, 15360, 357696, 6873984, 262813248, 12288817152, 432621305856, 28148895055872, 2108257586380800 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

Row 2 of A264709.

LINKS

Table of n, a(n) for n=1..13.

EXAMPLE

Some solutions for n=6

..6..0..1..7..4.10....0..6..3..9..1..8....6..3..1..4..2..8....6..0.10..4..1..7

..3..9..8..2..5.11....7..4.10.11..2..5....0..9..7.10.11..5....9..3.11..5..2..8

CROSSREFS

Cf. A264709.

Sequence in context: A307829 A039939 A199907 * A143868 A130591 A048665

Adjacent sequences:  A264707 A264708 A264709 * A264711 A264712 A264713

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 21 2015

STATUS

approved

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Last modified September 17 04:58 EDT 2019. Contains 327119 sequences. (Running on oeis4.)