A184758 Half the number of nX6 binary arrays with no 1 having an adjacent 1 both above and to its left

32, 1129, 44391, 1713803, 66363023, 2568513843, 99419347147, 3848174315295, 148949599913987, 5765325542821919, 223155884726125003, 8637595276083930107, 334331547130486255947, 12940822049109738429467, 500894626143397858765227

Offset

1,1

Comments

Column 6 of A184761

Links

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

Example

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

Crossrefs

Sequence in context: A114933 A038097 A208267 * A189956 A318014 A320400

Adjacent sequences: A184755 A184756 A184757 * A184759 A184760 A184761

Keyword

nonn

Author

R. H. Hardin Jan 21 2011

Status

approved