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A264832
Number of 2Xn arrays of permutations of 0..n*2-1 with rows nondecreasing modulo 4 and columns nondecreasing modulo 7.
0
1, 2, 4, 15, 134, 978, 10370, 114292, 2035620, 29935144, 567866832, 14295267600, 488489391072, 12470564424960
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OFFSET
1,2
COMMENTS
Row 2 of A264831.
LINKS
Table of n, a(n) for n=1..14.
EXAMPLE
Some solutions for n=4
..4..0..1..7....0..1..7..3....0..2..7..3....0..1..2..7....0..1..5..7
..5..2..6..3....4..5..2..6....4..5..1..6....4..5..6..3....4..2..6..3
CROSSREFS
Cf. A264831.
Sequence in context: A120490 A003514 A065598 * A100528 A132483 A153064
Adjacent sequences: A264829 A264830 A264831 * A264833 A264834 A264835
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 26 2015
STATUS
approved

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Last modified November 7 09:19 EST 2024. Contains 377527 sequences.
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