A260764 Number of (n+2)X(5+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000011 or 00010011

622, 798, 1740, 3328, 5256, 11107, 21594, 38145, 75910, 151311, 277024, 537113, 1075738, 2023097, 3857052, 7670235, 14713782, 27930232, 54856034, 106455351, 202705858, 393933976, 767509612, 1470108705, 2838509248, 5526521856

Offset

1,1

Comments

Column 5 of A260767

Links

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

Example

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

Crossrefs

Cf. A260767

Sequence in context: A203086 A251243 A184226 * A224432 A229318 A268025

Adjacent sequences: A260761 A260762 A260763 * A260765 A260766 A260767

Keyword

nonn

Author

R. H. Hardin, Jul 30 2015

Status

approved