A259950 Number of (n+2)X(6+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000000 00000001 or 00000101

1825, 11933, 115410, 642779, 3451108, 23837974, 159480543, 966996539, 6037654361, 39151910960, 248955579353, 1563130986904, 9919615680532, 63174059976509, 400236775086261, 2534156948462237, 16083216111856324

Offset

1,1

Comments

Column 6 of A259952

Links

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

R. H. Hardin, Empirical recurrence of order 67

Formula

Empirical recurrence of order 67 (see link above)

Example

Some solutions for n=3
..0..0..1..0..1..0..0..1....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..1....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..0..0..0..0..0..0
..1..0..0..0..0..0..0..0....0..1..0..0..0..0..0..1....0..0..1..0..0..0..0..0
..0..1..0..1..0..0..0..1....0..0..1..0..1..0..0..0....0..1..0..1..0..0..1..0

Crossrefs

Cf. A259952

Sequence in context: A233813 A249536 A124073 * A264215 A167266 A177786

Adjacent sequences: A259947 A259948 A259949 * A259951 A259952 A259953

Keyword

nonn

Author

R. H. Hardin, Jul 10 2015

Status

approved