A202644 Number of (n+2)X7 binary arrays avoiding patterns 000 and 111 in rows, columns and nw-to-se diagonals

3448, 19880, 134338, 923788, 6324344, 43812822, 304200608, 2106754926, 14642559872, 101786323802, 706793611978, 4913519167588, 34156804234558, 237352872102994, 1649931596389030, 11469298932256624, 79715510946683438

Offset

1,1

Comments

Column 5 of A202647

Links

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

Example

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

Crossrefs

Sequence in context: A273341 A107537 A260500 * A218830 A210626 A341553

Adjacent sequences: A202641 A202642 A202643 * A202645 A202646 A202647

Keyword

nonn

Author

R. H. Hardin Dec 22 2011

Status

approved