A188564 Number of nX6 binary arrays without the pattern 1 1 1 diagonally, vertically or horizontally.

44, 1936, 42712, 1204078, 33878337, 924245906, 25507294349, 703601341153, 19385833712450, 534376376148754, 14729728015524015, 405999164002796680, 11190832837280857035, 308460516372631128792, 8502292714849587051901

Offset

1,1

Comments

Column 6 of A188567

Links

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

Example

Some solutions for 3X6
..0..0..1..0..0..0....0..0..1..0..1..1....0..0..0..0..0..1....1..0..0..1..1..0
..0..1..0..1..1..0....1..0..0..1..0..1....1..1..0..1..0..1....0..0..0..1..0..0
..1..0..0..0..0..0....0..1..1..0..0..0....0..0..1..0..0..0....0..1..0..0..0..0

Crossrefs

Sequence in context: A206934 A206869 A181222 * A207086 A207180 A188751

Adjacent sequences: A188561 A188562 A188563 * A188565 A188566 A188567

Keyword

nonn

Author

R. H. Hardin, Apr 04 2011

Status

approved