A217453 Number of nX4 arrays of the minimum value of corresponding elements and their horizontal and vertical neighbors in a random 0..2 nX4 array.

17, 253, 4361, 60821, 939819, 14031423, 211328743, 3180307843, 47838403809, 719805267377, 10830069725301, 162944007417041, 2451637787845531, 36886610473790015, 554987642859441971, 8350208249838881107

Offset: 1

Author

R. H. Hardin Oct 03 2012

Keywords

• nonn

Comments

Column 4 of A217457

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..23