A231513 Number of nX6 0..1 arrays with no element less than a strict majority of its horizontal, vertical, diagonal and antidiagonal neighbors

21, 225, 7505, 158061, 3691558, 97188562, 2438335793, 59978232085, 1495872774439, 37400468849958, 931855284393627, 23216141094837966, 578870789698009393, 14432095381737047068, 359752524394488055054

Offset

1,1

Comments

Column 6 of A231515

Links

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

Example

Some solutions for n=4
..0..1..0..0..1..1....0..0..0..1..1..1....0..0..0..0..1..1....0..0..1..0..0..1
..0..0..1..0..0..1....0..0..0..0..0..0....1..0..1..0..0..1....1..0..0..0..0..1
..0..0..1..0..1..0....1..0..0..1..0..0....1..0..0..0..1..0....0..0..0..0..0..1
..1..0..0..0..0..0....1..1..0..0..1..1....0..0..1..1..0..0....1..0..1..1..0..0

Crossrefs

Sequence in context: A171108 A219439 A219140 * A332908 A027508 A221037

Adjacent sequences: A231510 A231511 A231512 * A231514 A231515 A231516

Keyword

nonn

Author

R. H. Hardin, Nov 09 2013

Status

approved