A186051 Number of (n+2)X10 binary arrays with each 3X3 subblock singular

91951882, 25348415950, 6808982811886, 1379260723246658, 329259361852366620, 77511953226639748246, 17715530704266966622328

Offset

1,1

Comments

Column 8 of A186052

Links

Table of n, a(n) for n=1..7.

Example

Some solutions for 4X10
..0..0..0..0..0..0..0..0..1..1....0..0..0..0..0..0..1..0..1..1
..0..0..0..0..0..0..0..1..1..1....0..0..0..0..0..0..1..0..1..1
..0..0..0..0..0..0..0..1..1..1....0..0..0..0..0..0..0..0..0..0
..0..0..0..0..0..0..0..1..0..1....0..0..0..0..0..1..1..0..0..0

Crossrefs

Sequence in context: A323536 A216009 A034643 * A205665 A205465 A117624

Adjacent sequences: A186048 A186049 A186050 * A186052 A186053 A186054

Keyword

nonn

Author

R. H. Hardin Feb 11 2011

Status

approved