A209525 Number of nX6 0..7 arrays with every 2X2 subblock containing exactly one value repeat, and new values 0..7 introduced in row major order.

203, 193676, 687132348, 4194606038254, 31813625228165210, 258381047085271692456, 2141993311657850070458667, 17864055554315250609266434532, 149250234599404559427873678874309

Offset: 1

Author

R. H. Hardin Mar 10 2012

Keywords

• nonn

Comments

Column 6 of A209527

Examples

			Some solutions for n=5
..0..0..0..0..0..0....0..0..0..1..0..1....0..1..0..0..1..2....0..1..0..0..0..0
..1..2..1..2..1..3....1..2..1..3..0..2....0..2..2..1..2..0....0..2..2..1..2..3
..0..0..0..0..0..0....0..0..0..0..1..0....0..1..0..0..2..1....0..1..0..0..0..3
..4..5..4..5..6..1....1..2..1..2..2..0....1..3..1..2..1..0....1..4..4..1..2..2
..4..1..1..1..1..0....0..2..0..1..3..0....0..0..0..0..0..2....1..3..2..1..3..4
		

Links

• R. H. Hardin, Table of n, a(n) for n = 1..14