A206881 Number of nX6 0..1 arrays avoiding 0 1 0 horizontally and 1 0 1 vertically

37, 1369, 22412, 321393, 5179587, 87541530, 1455584860, 23905464739, 393067971811, 6480684234921, 106874325247350, 1761571690252448, 29031364788581620, 478487481722152310, 7886646984790650669

Offset

1,1

Comments

Column 6 of A206883

Links

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

Example

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

Crossrefs

Sequence in context: A188692 A206875 A188505 * A206998 A189614 A206887

Adjacent sequences: A206878 A206879 A206880 * A206882 A206883 A206884

Keyword

nonn

Author

R. H. Hardin Feb 13 2012

Status

approved