A202418 Number of (n+2)X7 binary arrays with no more than one of any consecutive three bits set in any row or column

2059, 19569, 190951, 1823347, 17439289, 167404087, 1604558949, 15374009433, 147377939501, 1412697193745, 13539936257397, 129780230480855, 1243960628081241, 11923271897100607, 114284007392946523

Offset

1,1

Comments

Column 5 of A202421

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

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

Crossrefs

Sequence in context: A045055 A255335 A255423 * A069427 A357918 A237178

Adjacent sequences: A202415 A202416 A202417 * A202419 A202420 A202421

Keyword

nonn

Author

R. H. Hardin Dec 19 2011

Status

approved