A241112 Number of nX6 0..2 arrays with no element equal to exactly three horizontal or vertical neighbors, with new values 0..2 introduced in row major order

122, 67774, 32228144, 15415566961, 7371117761274, 3524558549098471, 1685292182142705704, 805834184979759771929, 385315225693559139835717, 184241158047029288125024239, 88096192562308932636636937713

Offset

1,1

Comments

Column 6 of A241114

Links

R. H. Hardin, Table of n, a(n) for n = 1..120

Example

Some solutions for n=2
..0..1..2..1..1..1....0..0..1..0..1..2....0..1..2..0..1..1....0..1..1..2..2..2
..1..0..1..1..2..0....1..2..0..2..2..2....1..2..1..1..0..0....0..2..1..2..1..2

Crossrefs

Sequence in context: A208256 A198714 A199653 * A240705 A208320 A208390

Adjacent sequences: A241109 A241110 A241111 * A241113 A241114 A241115

Keyword

nonn

Author

R. H. Hardin, Apr 16 2014

Status

approved