A238286 Number of (n+1)X(6+1) 0..3 arrays with no element greater than all horizontal neighbors or less than all vertical neighbors.

1268, 850420, 245920800, 44441926832, 8155057418133, 1730677620863096, 383234474966286275, 82717973078216789142, 17493177554060762019050, 3699163393647454115175243, 786647310980989762790259895

Offset: 1

Author

R. H. Hardin, Feb 22 2014

Keywords

• nonn

Comments

Column 6 of A238287

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..51