A260246 Number of (n+2)X(6+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000101 or 00001001

4027, 7822, 22944, 42143, 122048, 416911, 906498, 2164027, 6912900, 19008695, 42243368, 118693767, 351663576, 862455845, 2149354562, 6271021751, 16817997488, 41248933871, 112144132366, 314044473839, 801369177620

Offset

1,1

Comments

Column 6 of A260248

Links

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

Example

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

Crossrefs

Cf. A260248

Sequence in context: A124728 A251098 A034229 * A242864 A247689 A258401

Adjacent sequences: A260243 A260244 A260245 * A260247 A260248 A260249

Keyword

nonn

Author

R. H. Hardin, Jul 20 2015

Status

approved