A189194 Number of nX7 binary arrays without the pattern 0 0 1 vertically or antidiagonally

128, 16384, 537496, 16316636, 379515360, 8646366042, 184841938568, 3925306136096, 81929775932500, 1704770564043390, 35287851485832028, 729339086587874460, 15048014087794649376, 310256937493956570170

Offset

1,1

Comments

Column 7 of A189196

Links

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

Example

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

Crossrefs

Sequence in context: A188997 A223685 A189069 * A188879 A189115 A188908

Adjacent sequences: A189191 A189192 A189193 * A189195 A189196 A189197

Keyword

nonn

Author

R. H. Hardin Apr 18 2011

Status

approved