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

1,1

Comments

Column 8 of A180985

Links

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

Example

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

Crossrefs

Sequence in context: A275259 A064746 A232950 * A287690 A075762 A349155

Adjacent sequences: A184140 A184141 A184142 * A184144 A184145 A184146

Keyword

nonn

Author

R. H. Hardin Jan 09 2011

Status

approved