A189069 Number of 7Xn binary arrays without the pattern 0 1 0 antidiagonally or horizontally

128, 16384, 537496, 11733712, 333124565, 11711612310, 394122762759, 12333648780753, 384370907976719, 12223176207053499, 390844606475937638, 12440485660190874953, 395016975079313283143, 12552364987398546054654

Offset

1,1

Comments

Row 7 of A189064

Links

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

Example

Some solutions for 7X3
..0..0..1....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..1
..0..0..0....0..0..0....1..1..0....1..1..1....0..0..1....1..0..0....0..0..1
..0..0..0....0..0..1....1..1..1....1..0..0....1..0..1....1..0..1....0..0..0
..1..1..1....0..1..1....1..0..0....1..1..0....0..0..0....1..1..1....0..0..1
..1..1..0....1..1..1....0..0..0....1..0..0....1..1..1....0..1..1....1..0..1
..0..0..0....1..0..0....0..1..1....1..1..1....1..1..1....1..0..0....1..0..0
..1..1..1....1..0..1....1..1..1....1..0..1....0..0..0....1..1..1....1..0..0

Crossrefs

Sequence in context: A188745 A188997 A223685 * A189194 A188879 A189115

Adjacent sequences: A189066 A189067 A189068 * A189070 A189071 A189072

Keyword

nonn

Author

R. H. Hardin Apr 16 2011

Status

approved