A202370 Number of (n+2)X(n+2) binary arrays avoiding patterns 001 and 111 in rows and columns

98, 824, 7349, 62033, 589613, 5444710, 51833855, 500733797, 4838603161, 47316275496, 463941283342

Offset

1,1

Comments

Diagonal of A202378

Links

Table of n, a(n) for n=1..11.

Example

Some solutions for n=4
..0..1..1..0..1..0....1..0..1..1..0..1....1..1..0..1..0..0....0..1..0..1..0..1
..1..0..1..0..1..1....0..1..0..1..0..1....0..1..1..0..1..0....1..1..0..1..0..0
..0..1..0..0..0..0....1..0..1..0..0..0....1..0..1..1..0..0....0..0..0..0..0..0
..1..0..0..0..0..0....0..1..1..0..0..0....0..1..0..0..0..0....1..1..0..0..0..0
..1..0..0..0..0..0....1..1..0..0..0..0....0..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..0..0..0..0....1..1..0..0..0..0

Crossrefs

Sequence in context: A233928 A233921 A203083 * A184608 A088736 A292552

Adjacent sequences: A202367 A202368 A202369 * A202371 A202372 A202373

Keyword

nonn

Author

R. H. Hardin Dec 18 2011

Status

approved