A241129 Number of nX6 0..2 arrays with no element equal to exactly two horizontal and vertical neighbors, with new values 0..2 introduced in row major order.
82, 11876, 1792237, 272418756, 41661463219, 6369134821236, 973866422990563, 148910067386335603, 22769250775360645781, 3481561098182183872590, 532352524971939702558325, 81400042312275755768027497
Offset: 1
Keywords
Examples
Some solutions for n=2 ..0..1..1..1..2..1....0..1..0..2..0..2....0..1..0..1..0..1....0..1..2..1..2..1 ..0..2..1..0..1..0....1..0..2..0..0..0....1..0..0..0..1..2....2..2..0..0..2..0
Links
- R. H. Hardin, Table of n, a(n) for n = 1..57
Comments