A260103 Number of (n+2)X(5+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000101 or 00010101

1116, 2794, 6878, 18209, 47576, 127549, 336302, 903901, 2402228, 6409084, 17062892, 45475225, 121085556, 322576455, 859264712, 2288630270, 6095305826, 16236483672, 43246325168, 115187673101, 306802389494, 817180484269

Offset

1,1

Comments

Column 5 of A260106

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

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

Crossrefs

Cf. A260106

Sequence in context: A190017 A027622 A259295 * A258691 A221428 A161848

Adjacent sequences: A260100 A260101 A260102 * A260104 A260105 A260106

Keyword

nonn

Author

R. H. Hardin, Jul 16 2015

Status

approved