A184559 Number of (n+1)X5 0..2 arrays with no 2X2 subblock summing to less than 4.

14180, 1486258, 134840527, 12900566348, 1214657950233, 115000791536877, 10868641315040295, 1027803541995894568, 97176104485641628222, 9188347231740579769607, 868772129294612664475944

Offset: 1

Author

R. H. Hardin Jan 17 2011

Keywords

• nonn

Comments

Column 4 of A184564

Examples

			Some solutions for 3X5
..0..1..1..1..2....0..0..2..2..0....0..1..0..1..2....0..1..0..2..2
..2..1..1..2..1....2..2..1..2..0....1..2..2..1..2....1..2..2..1..2
..1..0..2..1..0....1..2..1..2..1....0..2..2..0..1....2..0..1..1..2
		

Links

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