A206892 Number of 6Xn 0..1 arrays avoiding 0 1 0 horizontally and 1 0 0 vertically

33, 1089, 20129, 330951, 5963040, 111550389, 2067672443, 37988878275, 698017127422, 12848172794534, 236570382445377, 4354636068325921, 80147467353233653, 1475176781227114397, 27152663805860158867

Offset

1,1

Comments

Row 6 of A206889

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

Some solutions for n=4
..1..1..1..1....0..1..1..1....0..0..0..1....1..1..1..0....0..0..1..1
..1..1..1..1....1..0..1..1....0..1..1..0....1..0..1..1....0..1..1..0
..1..1..1..1....1..1..0..1....1..0..1..1....0..1..1..1....1..0..1..1
..1..1..1..1....1..1..1..1....1..1..0..1....1..0..1..1....1..1..0..0
..1..0..1..1....0..1..1..0....1..1..1..0....1..1..0..1....1..0..1..1
..1..1..1..1....1..0..1..1....0..0..0..1....0..1..1..1....1..1..0..0

Crossrefs

Sequence in context: A206783 A188520 A189261 * A188760 A189699 A207092

Adjacent sequences: A206889 A206890 A206891 * A206893 A206894 A206895

Keyword

nonn

Author

R. H. Hardin Feb 13 2012

Status

approved