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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 (list; graph; refs; listen; history; text; internal format)
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 February 29 05:25 EST 2020. Contains 332353 sequences. (Running on oeis4.)