A259886 Number of (n+2)X(n+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000000 00000001 or 00000011

34, 174, 3511, 58800, 863502, 36899517, 2374588015, 164942896153, 19599999649066, 4057158204209362, 1127811895283780994, 456911158873144313537, 303382458821148235424263

Offset

1,1

Comments

Diagonal of A259894

Links

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

Example

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

Crossrefs

Cf. A259894

Sequence in context: A191593 A259944 A063652 * A365222 A032771 A269237

Adjacent sequences: A259883 A259884 A259885 * A259887 A259888 A259889

Keyword

nonn

Author

R. H. Hardin, Jul 07 2015

Status

approved