A188985 Number of n X n binary arrays without the pattern 0 0 1 antidiagonally or horizontally.

2, 16, 295, 10812, 852448, 144733702, 55080396536, 46897992282392, 90347796732080200, 391616769266718212264, 3836378499038367303867568, 84709934712009857654653118434, 4225407805631534612606491862152228

Offset: 1

Author

R. H. Hardin Apr 15 2011

Keywords

• nonn

Comments

Diagonal of A188992

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..18