A219690 Number of 6Xn 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 6Xn array.

21, 60, 655, 5726, 44816, 344926, 2709320, 21474269, 167685059, 1273322836, 9386203438, 67340577300, 471427290355, 3224592437317, 21562151377146, 141010883018273, 902366368908706, 5653483899077449, 34695071833947322

Offset: 1

Author

R. H. Hardin Nov 25 2012

Keywords

• nonn

Comments

Row 6 of A219686

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..41