A259721 Number of (n+2)X(6+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 or 00000011

722, 1219, 2858, 5458, 7076, 16294, 33846, 51254, 99106, 219106, 370024, 652886, 1414066, 2633049, 4520036, 9213528, 18221034, 32003265, 61343826, 123580357, 226046956, 418183961, 832221248, 1576875191, 2893948292, 5623390081

Offset

1,1

Comments

Column 6 of A259723

Links

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

R. H. Hardin, Empirical recurrence of order 84

Formula

Empirical recurrence of order 84 (see link above)

Example

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

Crossrefs

Cf. A259723

Sequence in context: A139165 A229049 A260498 * A133531 A206006 A231485

Adjacent sequences: A259718 A259719 A259720 * A259722 A259723 A259724

Keyword

nonn

Author

R. H. Hardin, Jul 03 2015

Status

approved