A264712 - OEIS

A264712

Number of nX2 arrays of permutations of 0..n*2-1 with rows nondecreasing modulo 5 and columns nondecreasing modulo 6.

1, 2, 2, 11, 94, 365, 2891, 30242, 207653, 2119577, 19807006, 218836016, 3149604508, 57791376424, 900430886016, 25428213982688

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OFFSET

1,2

COMMENTS

Column 2 of A264714.

LINKS

EXAMPLE

Some solutions for n=6

..6..1....6..8....6..7....0..1....6..1....0..8....0..7....6..7....6..2....0..7

..0..7....0..2....0..1....6..8....0..8....6..2....6..8....0..8....0..8....6..2

..2..9....1..9....2..8....7..2....7..9....7..9....1..9....1..9....7..9....1..3

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

..5.10....5.10...11..3...11..3...11..4...11..4....5.10...11..4...11..4...10..4

.11..4...11..4....5.10....5..4....5.10....5.10...11..4....5.10....5.10....5.11

CROSSREFS

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 21 2015

STATUS

approved