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A264645 Number of 3Xn arrays of permutations of 0..n*3-1 with rows nondecreasing modulo 3 and columns nondecreasing modulo 4. 0
1, 6, 149, 5080, 364544, 46305472, 6958619648 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Row 3 of A264643.
LINKS
EXAMPLE
Some solutions for n=4
..9..0..4..1....4..1..5..8....0..4.10..8....9..0..6..4....0.11..5..8
.11..2..8..5....0..9..3..2....9..1..7..5...10..1..2..8....4..7..1..2
..3..6..7.10....6.10..7.11....6..3.11..2....3..7.11..5....9..3..6.10
CROSSREFS
Cf. A264643.
Sequence in context: A199226 A012791 A347842 * A089480 A056427 A056418
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 19 2015
STATUS
approved

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Last modified March 5 10:09 EST 2024. Contains 370548 sequences. (Running on oeis4.)