A267734 Number of nX7 0..1 arrays with every repeated value in every row and column greater than or equal to the previous repeated value.

92, 8464, 778688, 47293550, 2818160392, 143643342651, 6910434801148, 308861582336509, 13143892092247732, 534580146047554692, 20962594989587781990, 796203995351206031909, 29426773353675857436150

Offset

1,1

Comments

Column 7 of A267735.

Links

R. H. Hardin, Table of n, a(n) for n = 1..122

Example

Some solutions for n=2
..0..1..0..0..0..1..1....0..1..0..1..0..0..0....0..1..0..0..0..1..0
..0..0..0..1..1..1..0....1..0..0..1..0..1..1....0..0..0..0..1..1..0

Crossrefs

Cf. A267735.

Sequence in context: A093292 A093246 A267787 * A146503 A252593 A146515

Adjacent sequences: A267731 A267732 A267733 * A267735 A267736 A267737

Keyword

nonn

Author

R. H. Hardin, Jan 20 2016

Status

approved