A209742 Number of nX6 0..5 arrays with every 2X2 subblock containing exactly one value repeat, and new values 0..5 introduced in row major order.

203, 183240, 404495219, 991613495404, 2462887498725440, 6126537051572916244, 15242797658314710633378, 37924827001459049241306782, 94359067187520965488130465180, 234770648430435211602772504683016

Offset: 1

Author

R. H. Hardin Mar 12 2012

Keywords

• nonn

Comments

Column 6 of A209744

Examples

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

Links

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