A188908 Number of nX7 binary arrays without the pattern 0 1 0 diagonally or antidiagonally.

128, 16384, 665252, 18939904, 677191152, 28911561156, 1206854973408, 47643981661444, 1870392568831572, 74546289546608896, 2989564396574586164, 119559739844207522500, 4770354565229669315712, 190382246019401796651204

Offset

1,1

Comments

Column 7 of A188910

Links

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

Example

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

Crossrefs

Sequence in context: A189194 A188879 A189115 * A189109 A297380 A283863

Adjacent sequences: A188905 A188906 A188907 * A188909 A188910 A188911

Keyword

nonn

Author

R. H. Hardin, Apr 13 2011

Status

approved