A183796 1/4 the number of (n+1)X4 0..3 arrays with no 2X2 subblock having sum 6

9395, 1405874, 209636605, 31282399226, 4667280876143, 696376467061670, 103901117941072621, 15502344363749910194, 2312992748053122211945, 345104985809234054192226, 51490626620654908643585387

Offset

1,1

Comments

Column 3 of A183802

Links

R. H. Hardin, Table of n, a(n) for n = 1..138

Example

Some solutions for 3X4
..0..0..2..0....0..2..2..0....0..2..0..2....0..2..2..0....0..0..2..3
..2..0..2..0....2..0..0..1....0..0..1..2....0..0..0..0....2..0..0..3
..2..3..3..2....1..0..3..3....1..0..1..3....1..0..3..2....0..0..3..1

Crossrefs

Sequence in context: A263557 A045202 A202645 * A362879 A183733 A290424

Adjacent sequences: A183793 A183794 A183795 * A183797 A183798 A183799

Keyword

nonn

Author

R. H. Hardin Jan 07 2011

Status

approved