A219685 Number of nX7 arrays of the minimum value of corresponding elements and their horizontal, vertical or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..2 nX7 array.

28, 44, 922, 15763, 219216, 2709320, 35011623, 479633094, 6609458081, 87609413453, 1101888673326, 13242315279610, 153674552267213, 1731915355340898, 18978190461636053, 202216531650350001

Offset: 1

Author

R. H. Hardin Nov 25 2012

Keywords

• nonn

Comments

Column 7 of A219686

Examples

			Some solutions for n=3
..2..2..1..1..1..0..0....1..0..0..0..0..0..0....2..1..1..0..0..0..0
..2..2..1..1..0..0..0....0..0..0..0..0..0..0....2..1..1..0..0..0..0
..2..2..2..1..0..0..0....0..0..2..2..2..1..1....2..2..2..0..0..0..0