A264838 Number of 2Xn arrays of permutations of 0..n*2-1 with rows nondecreasing modulo 5 and columns nondecreasing modulo 7.

1, 2, 2, 15, 68, 401, 2179, 23229, 213332, 2642772, 38611992, 723385584, 16909827584, 343510569552, 9601049357952, 305917702264416

Offset

1,2

Comments

Row 2 of A264837.

Links

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

Example

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

Crossrefs

Cf. A264837.

Sequence in context: A006929 A216613 A215900 * A184718 A079897 A097540

Adjacent sequences: A264835 A264836 A264837 * A264839 A264840 A264841

Keyword

nonn

Author

R. H. Hardin, Nov 26 2015

Status

approved