A188744 Number of nX6 binary arrays without the pattern 1 1 1 diagonally, vertically or antidiagonally

64, 4096, 61996, 1944586, 60714322, 1536573216, 43558358008, 1229158478968, 33715030639152, 940176798492406, 26184077081950792, 726505692803789842, 20205409790700030932, 561795999161298554570, 15612682504741076575246

Offset

1,1

Comments

Column 6 of A188747

Links

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

Example

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

Crossrefs

Sequence in context: A223673 A189621 A189693 * A188996 A223684 A189068

Adjacent sequences: A188741 A188742 A188743 * A188745 A188746 A188747

Keyword

nonn

Author

R. H. Hardin Apr 09 2011

Status

approved