A240482 Number of nX6 0..1 arrays with no element equal to more than two horizontal or vertical neighbors, with new values 0..1 introduced in row major order

32, 857, 13147, 205754, 3229199, 50525365, 790390105, 12362251350, 193349390970, 3024029579084, 47296906966344, 739741508375580, 11569834430771221, 180956563241125060, 2830228892630338461, 44265847226767482110

Offset

1,1

Comments

Column 6 of A240484

Links

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

Example

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

Crossrefs

Sequence in context: A303020 A302824 A303517 * A240634 A222606 A283854

Adjacent sequences: A240479 A240480 A240481 * A240483 A240484 A240485

Keyword

nonn

Author

R. H. Hardin, Apr 06 2014

Status

approved