A240634 Number of nX6 0..1 arrays with no element equal to exactly three horizontal or vertical neighbors, with new values 0..1 introduced in row major order

32, 857, 15590, 299329, 5723270, 109584463, 2097636322, 40145256595, 768275538054, 14702668840259, 281368377437191, 5384611367081737, 103046540905016648, 1972025230773983704, 37739098248805222301

Offset

1,1

Comments

Column 6 of A240636

Links

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

Example

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

Crossrefs

Sequence in context: A302824 A303517 A240482 * A222606 A283854 A160314

Adjacent sequences: A240631 A240632 A240633 * A240635 A240636 A240637

Keyword

nonn

Author

R. H. Hardin, Apr 09 2014

Status

approved