A232053 Number of 7Xn 0..1 arrays with no element less than a strict majority of its horizontal and antidiagonal neighbors

128, 1897, 76375, 2821630, 109609484, 4041385884, 149582129861, 5552015655928, 206648804986252, 7686854135374938, 285774694751524522, 10622849743170463135, 394905834596870476755, 14681395159518123754045

Offset

1,1

Comments

Row 7 of A232047

Links

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

Example

Some solutions for n=3
..0..0..0....1..0..0....0..0..1....1..0..0....1..1..0....0..0..0....1..1..0
..1..0..0....0..0..0....0..1..1....0..0..0....0..0..0....0..0..1....0..0..1
..0..0..1....0..1..1....1..1..1....0..0..0....0..1..0....0..1..1....0..1..0
..0..0..1....1..1..1....1..1..1....1..1..0....1..0..0....0..0..0....0..0..0
..0..0..0....1..0..0....1..0..0....0..0..0....0..1..1....0..1..1....0..0..0
..0..0..0....0..1..1....0..1..0....1..1..1....1..1..1....1..0..0....0..0..0
..1..0..0....1..1..1....0..0..0....1..1..1....0..0..0....0..0..1....0..0..0

Crossrefs

Sequence in context: A200789 A250356 A269587 * A250234 A364690 A093528

Adjacent sequences: A232050 A232051 A232052 * A232054 A232055 A232056

Keyword

nonn

Author

R. H. Hardin, Nov 17 2013

Status

approved