A223061 Number of nX7 0..3 arrays with all horizontally or vertically connected equal values in a straight line, and new values 0..3 introduced in row major order.

715, 3361024, 18142309235, 99653055754459, 549172612438350029, 3028264612325675509047, 16700483735732492103987445, 92103002955687502077421475679, 507949261500434438520234512887781

Offset: 1

Author

R. H. Hardin Mar 13 2013

Keywords

• nonn

Comments

Column 7 of A223062

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..25