A184560 Number of (n+1)X6 0..2 arrays with no 2X2 subblock summing to less than 4.

92429, 24057629, 5228522011, 1214657950233, 276510402290782, 63392707611948281, 14500045352224438869, 3319239109051464012589, 759618068036448896808407, 173856090342285473033998446

Offset: 1

Author

R. H. Hardin Jan 17 2011

Keywords

• nonn

Comments

Column 5 of A184564

Examples

			Some solutions for 3X6
..0..0..0..1..1..0....0..0..0..0..2..1....0..0..0..0..1..2....0..0..0..2..0..0
..2..2..2..2..2..2....2..2..2..2..1..1....2..2..2..2..1..1....2..2..2..2..2..2
..0..0..2..2..2..0....1..0..2..2..2..1....0..1..0..2..2..0....2..1..0..0..1..2
		

Links

• R. H. Hardin, Table of n, a(n) for n = 1..200