A264835 Number of nX2 arrays of permutations of 0..n*2-1 with rows nondecreasing modulo 5 and columns nondecreasing modulo 7.

1, 2, 2, 8, 46, 182, 701, 4917, 32687, 241991, 2924430, 40311661, 479980432, 5962660544, 111112429148, 1934811730068

Offset

1,2

Comments

Column 2 of A264837.

Links

Table of n, a(n) for n=1..16.

Example

All solutions for n=4
..0..7....0..1....0..1....0..7....7..2....0..2....0..7....0..1
..1..2....7..2....7..2....1..2....0..3....7..3....1..3....7..3
..3..4....3..4....5..3....5..3....1..4....1..4....2..4....2..4
..5..6....5..6....6..4....6..4....5..6....5..6....5..6....5..6

Crossrefs

Cf. A264837.

Sequence in context: A111605 A009544 A077607 * A032030 A184347 A006673

Adjacent sequences: A264832 A264833 A264834 * A264836 A264837 A264838

Keyword

nonn

Author

R. H. Hardin, Nov 26 2015

Status

approved