A189694 Number of nX7 binary arrays without the pattern 0 0 1 diagonally, vertically or antidiagonally

128, 16384, 371641, 9205575, 151788273, 2748122586, 43645304766, 733660344149, 11722251157012, 192737455311869, 3101316117820858, 50582965637175513, 817179337255729430, 13284346442987716235, 215031581266863776172

Offset

1,1

Comments

Column 7 of A189696

Links

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

Example

Some solutions for 3X7
..0..1..0..1..0..1..1....0..1..0..1..1..1..0....0..0..0..1..1..0..0
..1..1..0..1..1..0..1....1..0..1..0..0..0..0....1..1..1..0..1..1..1
..0..1..0..1..1..0..0....0..1..0..1..0..1..0....0..0..1..0..0..0..0

Crossrefs

Sequence in context: A189269 A223674 A189622 * A188745 A188997 A223685

Adjacent sequences: A189691 A189692 A189693 * A189695 A189696 A189697

Keyword

nonn

Author

R. H. Hardin Apr 25 2011

Status

approved