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A264693 Number of 2Xn arrays of permutations of 0..n*2-1 with rows nondecreasing modulo 3 and columns nondecreasing modulo 5. 0
1, 1, 7, 56, 348, 4672, 93864, 1776576, 42654496, 1464068352, 62669138688, 2416965949440, 119518360215552 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,3
COMMENTS
Row 2 of A264692.
LINKS
EXAMPLE
Some solutions for n=6
..0.10..4..1.11..5....6.10..8.11..5..2....6..0..9.10.11..5....0..1.11..5..2..8
..6..3..9..7..8..2....9..0..3..1..4..7....3..1..4..7..2..8....6..9..3.10..7..4
CROSSREFS
Cf. A264692.
Sequence in context: A055345 A180287 A082140 * A054614 A270240 A344066
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 21 2015
STATUS
approved

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Last modified April 22 10:51 EDT 2024. Contains 371897 sequences. (Running on oeis4.)