A189689 Number of n X n binary arrays without the pattern 0 0 1 diagonally, vertically or antidiagonally.

2, 16, 292, 11637, 862652, 140346362, 43645304766, 30140493826752, 41065086729341527, 123548887542841478730, 745009928964016992782018, 9811185735768630724517609865, 262092653227176839857198569967286

Offset: 1

Author

R. H. Hardin Apr 25 2011

Keywords

• nonn

Comments

Diagonal of A189696

Examples

			Some solutions for 3X3
..1..0..0....0..0..1....1..1..1....1..0..0....0..1..1....0..0..0....0..1..1
..1..1..1....1..1..1....1..0..1....0..1..1....0..1..0....0..1..0....1..1..1
..0..0..1....0..0..0....0..0..1....0..0..1....0..1..1....0..0..0....0..1..0
		

Links

• R. H. Hardin, Table of n, a(n) for n = 1..14