A219076 Hilltop maps: number of nX6 binary arrays indicating the locations of corresponding elements not exceeded by any horizontal, diagonal or antidiagonal neighbor in a random 0..1 nX6 array.

31, 2435, 134809, 7561349, 433704331, 24734141495, 1410242020653, 80444813963129, 4588436794733591, 261712432286491659, 14927540586501299193, 851435525780779197693, 48564066186463152044491, 2769991245247350703909311

Offset: 1

Author

R. H. Hardin Nov 11 2012

Keywords

• nonn

Comments

Column 6 of A219078

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..66