A209743 Number of nX7 0..5 arrays with every 2X2 subblock containing exactly one value repeat, and new values 0..5 introduced in row major order.

876, 3412100, 26715084257, 220845828478730, 1834383283218723590, 15242797658314710633378, 126664397726626418134051983, 1052557322792113887592378377140, 8746556030412972768884396379035027

Offset: 1

Author

R. H. Hardin Mar 12 2012

Keywords

• nonn

Comments

Column 7 of A209744

Examples

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

Links

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