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A184143 Number of nX8 binary arrays with rows and columns in nondecreasing order 1
9, 129, 3351, 136564, 6979061, 371484319, 18470742266, 818230288201, 31887670171373, 1096628939510047, 33575397457792227, 924491977646105742, 23115171441961340021, 529351592443419400759, 11186675629728308277811 (list; graph; refs; listen; history; text; internal format)
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 A328270

Adjacent sequences:  A184140 A184141 A184142 * A184144 A184145 A184146

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 09 2011

STATUS

approved

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Last modified October 28 13:03 EDT 2020. Contains 338055 sequences. (Running on oeis4.)