A205413 Number of (n+2)X8 0..2 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically or nw-to-se diagonally exactly two ways, and new values 0..2 introduced in row major order.

14452683, 768581101, 45661264026, 1715387177450, 98445276297551

Offset: 1

Author

R. H. Hardin Jan 26 2012

Keywords

• nonn

Comments

Column 6 of A205415

Examples

			Some solutions for n=3
..0..0..0..0..0..0..0..0....0..1..1..0..2..1..0..1....0..0..0..0..1..2..2..1
..0..0..0..0..0..1..0..1....0..1..0..1..2..1..0..2....0..2..0..0..1..2..2..0
..1..1..2..1..1..1..0..2....0..1..1..1..1..1..1..1....0..1..1..1..1..1..2..2
..2..2..2..2..2..1..0..2....0..0..0..0..0..0..0..0....0..0..0..0..1..0..2..2
..2..1..2..0..0..1..1..1....0..0..2..2..0..1..2..0....2..1..0..2..1..0..2..2