A219593 Number of nX6 arrays of the minimum value of corresponding elements and their horizontal or vertical neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..2 nX6 array.

21, 81, 1188, 14793, 156964, 1767430, 21435360, 259297241, 2992271478, 32522357305, 335372829196, 3312669542090, 31487964667940, 288434629481468, 2549339374347045, 21786411636714179, 180452978644995861

Offset: 1

Author

R. H. Hardin Nov 23 2012

Keywords

• nonn

Comments

Column 6 of A219595

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..19