A188756 Number of n X n binary arrays without the pattern 0 0 1 vertically or horizontally.

2, 16, 240, 8024, 532168, 75643222, 23051042448, 15452387615952, 22950235913333896, 76154002726353974190, 566628641478740667189960, 9481314346965748016023712242, 357341446119863197891865122035480

Offset: 1

Author

R. H. Hardin Apr 09 2011

Keywords

• nonn

Comments

Diagonal of A188763

Examples

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

Links

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