A202484 Number of (n+2)X(n+2) binary arrays avoiding patterns 000 and 010 in rows, columns and nw-to-se diagonals.

108, 1296, 42588, 3111696, 349399008, 75391979776, 34683335205048, 31497618411267856, 53353357774938031624, 175506661165679433462016, 1144167246050992881367449600, 14547294515194050040126081106176

Offset

1,1

Comments

Diagonal of A202492

Links

R. H. Hardin, Table of n, a(n) for n = 1..15

Example

Some solutions for n=3
..1..1..1..1..0....1..0..0..1..1....1..1..1..0..0....1..1..1..1..0
..1..0..1..1..1....0..1..1..1..1....0..1..1..0..1....1..1..1..1..1
..1..1..0..1..1....1..1..1..1..1....1..0..1..1..1....1..0..1..1..1
..1..1..1..1..1....1..1..1..0..1....1..0..1..1..0....1..0..1..1..0
..1..1..1..0..1....0..0..1..1..1....1..1..1..1..1....1..1..1..1..0

Crossrefs

Sequence in context: A101213 A202608 A202092 * A096953 A187302 A269277

Adjacent sequences: A202481 A202482 A202483 * A202485 A202486 A202487

Keyword

nonn

Author

R. H. Hardin, Dec 20 2011

Status

approved