A260542 Number of (n+2)X(6+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000011 or 00010001

1350, 2229, 5592, 10949, 21050, 50674, 105058, 215160, 491828, 1049785, 2150978, 4861442, 10613272, 21767633, 47961230, 106700538, 222224336, 477409073, 1064533728, 2264380451, 4801740316, 10603765362, 22929132008, 48580458578

Offset

1,1

Comments

Column 6 of A260544

Links

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

R. H. Hardin, Empirical recurrence of order 91

Formula

Empirical recurrence of order 91 (see link above)

Example

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

Crossrefs

Cf. A260544

Sequence in context: A166193 A307586 A224743 * A307218 A278383 A174638

Adjacent sequences: A260539 A260540 A260541 * A260543 A260544 A260545

Keyword

nonn

Author

R. H. Hardin, Jul 28 2015

Status

approved