A188746 Number of nX8 binary arrays without the pattern 1 1 1 diagonally, vertically or antidiagonally.

256, 65536, 2227333, 217243096, 20939826298, 1458401558672, 122293738629021, 10143499802360135, 801618812875139251, 65318162143525733827, 5304356577782619235403, 427773556302789402791981

Offset: 1

Author

R. H. Hardin Apr 09 2011

Keywords

• nonn

Comments

Column 8 of A188747

Examples

			Some solutions for 3X8
..0..0..0..0..0..0..0..1....0..0..0..0..0..0..0..0....0..0..0..0..0..0..0..0
..0..1..0..1..0..1..1..0....1..0..1..1..1..1..1..0....0..1..0..0..1..0..0..1
..0..0..1..0..1..0..1..1....1..0..0..0..1..1..0..1....0..1..0..1..0..1..0..1
		

Links

• R. H. Hardin, Table of n, a(n) for n = 1..114