A259944 Number of (n+2)X(n+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000000 00000001 or 00000101

34, 170, 2438, 35765, 631626, 23837974, 1328499316, 84928425026, 8289133572645, 1383570023331554, 315562185885124651, 97230004567350401711, 46436802280752701742859, 33623534290696312179717952

Offset

1,1

Comments

Diagonal of A259952

Links

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

Example

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

Crossrefs

Cf. A259952

Sequence in context: A256395 A182585 A191593 * A063652 A259886 A365222

Adjacent sequences: A259941 A259942 A259943 * A259945 A259946 A259947

Keyword

nonn

Author

R. H. Hardin, Jul 10 2015

Status

approved