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A264708 Number of nX3 arrays of permutations of 0..n*3-1 with rows nondecreasing modulo 3 and columns nondecreasing modulo 6. 0
1, 8, 152, 4544, 202176, 10964160, 1200365568, 150015836160, 27805483008000 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 3 of A264709.

LINKS

Table of n, a(n) for n=1..9.

EXAMPLE

Some solutions for n=4

..0..6..2....9..0..6....0..6..7....6..7.10....9..6..7....6..0..7....3..6..0

..3..7..8....3..1..2....1..8..2....0..1..4....3..0..2....1..8..2....9..1..7

..9..1..4....4..7.10....3..9.11....8..2..5....4..1.10....9..3.11...10..2..8

.10..5.11....5..8.11....4.10..5....9..3.11...11..8..5...10..4..5....4..5.11

CROSSREFS

Cf. A264709.

Sequence in context: A123770 A003400 A059510 * A094059 A171202 A247538

Adjacent sequences:  A264705 A264706 A264707 * A264709 A264710 A264711

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 21 2015

STATUS

approved

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Last modified October 19 03:34 EDT 2019. Contains 328211 sequences. (Running on oeis4.)