A259893 Number of (n+2)X(7+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000000 00000001 or 00000011

5352, 40955, 595513, 4585294, 28982771, 265544204, 2374588015, 18039882288, 144461629861, 1233632487918, 10083224404333, 80918630458268, 666460883164444, 5497242097282752, 44766260097986518, 365582700356432207

Offset

1,1

Comments

Column 7 of A259894

Links

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

Example

Some solutions for n=2
..1..0..0..0..0..0..0..0..1....0..1..0..0..1..0..0..0..1
..0..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..1..0..0..0..0..0..1..1....1..1..0..0..0..0..0..1..0

Crossrefs

Cf. A259894

Sequence in context: A187435 A023939 A204863 * A206681 A203962 A145770

Adjacent sequences: A259890 A259891 A259892 * A259894 A259895 A259896

Keyword

nonn

Author

R. H. Hardin, Jul 07 2015

Status

approved