A241117 Number of nX5 0..3 arrays with no element equal to exactly three horizontal or vertical neighbors, with new values 0..3 introduced in row major order.

51, 40148, 35000157, 30679522712, 26891788727245, 23571710809729613, 20661533160923240569, 18110647865626429410574, 15874696395915702411853835, 13914796838668264590028175362, 12196867658593859651556394012550

Offset: 1

Author

R. H. Hardin, Apr 16 2014

Keywords

• nonn

Comments

Column 5 of A241119

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..143