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A264703 Number of nX3 arrays of permutations of 0..n*3-1 with rows nondecreasing modulo 2 and columns nondecreasing modulo 6. 0
2, 15, 296, 9024, 492480, 30233088, 3589152768, 470304423936, 94978179072000 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A264704.

LINKS

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

EXAMPLE

Some solutions for n=4

..6..0..9....8..6..0....6..0..1....2..6..1....0..8.10....2..0..6....0..9..7

..8..1..3....2..7..1....7..9..3...10..0..7....6..2..4....8..1..3....6..4..1

..4..7..5....4..3..5....8.10..5....4..8..3....1..9.11...10..7..5....2.10..3

.10..2.11...10..9.11....2..4.11...11..5..9....7..3..5....4..9.11....8..5.11

CROSSREFS

Cf. A264704.

Sequence in context: A076111 A087526 A283275 * A262961 A231256 A304120

Adjacent sequences:  A264700 A264701 A264702 * A264704 A264705 A264706

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 21 2015

STATUS

approved

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Last modified August 12 16:32 EDT 2022. Contains 356077 sequences. (Running on oeis4.)