A260765 Number of (n+2)X(6+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000011 or 00010011

1315, 1671, 3891, 7645, 11107, 24103, 48788, 83655, 166775, 348791, 629945, 1217638, 2540532, 4817437, 9105591, 18684019, 36572654, 69169356, 138483223, 275621776, 526881193, 1035959905, 2067454175, 4004020484, 7799746263

Offset

1,1

Comments

Column 6 of A260767

Links

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

Example

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

Crossrefs

Cf. A260767

Sequence in context: A221155 A237393 A242151 * A241962 A200202 A255799

Adjacent sequences: A260762 A260763 A260764 * A260766 A260767 A260768

Keyword

nonn

Author

R. H. Hardin, Jul 30 2015

Status

approved