A189623 Number of 8Xn binary arrays without the pattern 0 1 0 diagonally, antidiagonally or horizontally

256, 65536, 2227333, 32031600, 783072552, 41236726541, 1785011303305, 52939317116118, 1481899787122910, 50278308247706514, 1860556623858510413, 63647690214269161385, 2037957253448016880897, 66466260524616890792281

Offset

1,1

Comments

Row 8 of A189617

Links

R. H. Hardin, Table of n, a(n) for n = 1..129

Example

Some solutions for 8X3
..0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0
..0..0..1....0..0..0....0..0..0....0..0..1....0..0..1....0..0..1....0..0..1
..1..0..0....0..0..0....1..1..0....0..1..1....1..0..1....1..0..1....1..1..0
..0..1..1....1..0..1....1..0..1....0..1..1....1..0..1....1..0..0....1..1..1
..1..0..0....0..0..0....0..0..0....1..0..1....1..0..0....0..1..1....1..0..1
..1..1..1....1..1..1....0..0..1....0..1..1....1..0..1....1..1..0....1..0..1
..1..1..1....1..1..1....0..0..1....0..0..0....0..1..1....0..0..1....0..0..0
..0..1..1....1..0..0....1..1..1....1..0..1....1..1..0....1..0..0....0..0..0

Crossrefs

Sequence in context: A017572 A189270 A016748 * A189695 A188746 A188998

Adjacent sequences: A189620 A189621 A189622 * A189624 A189625 A189626

Keyword

nonn

Author

R. H. Hardin Apr 24 2011

Status

approved