A184143 Number of nX8 binary arrays with rows and columns in nondecreasing order.

9, 129, 3351, 136564, 6979061, 371484319, 18470742266, 818230288201, 31887670171373, 1096628939510047, 33575397457792227, 924491977646105742, 23115171441961340021, 529351592443419400759, 11186675629728308277811

Offset: 1

Author

R. H. Hardin Jan 09 2011

Keywords

• nonn

Comments

Column 8 of A180985

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..200