A202725 Number of (n+3)X10 binary arrays with no more than three of any consecutive four bits set in any row or column

232808384209, 140489794603235, 84110153180887751, 50035880671367204219, 29625263373200300829929, 17602341245476520323260803, 10454480376363017611676717695

Offset

1,1

Comments

Column 7 of A202726

Links

Table of n, a(n) for n=1..7.

Example

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

Crossrefs

Sequence in context: A221263 A172614 A112431 * A132908 A271820 A204781

Adjacent sequences: A202722 A202723 A202724 * A202726 A202727 A202728

Keyword

nonn

Author

R. H. Hardin Dec 23 2011

Status

approved