A260474 Number of (n+2)X(7+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000000 00000001 or 00010101

1716, 5891, 36254, 161176, 839073, 4771920, 24138984, 123310754, 662480793, 3462881003, 17901457898, 94193468029, 494253218713, 2575427089930, 13479058203992, 70635679978670, 369192210644796, 1930772613998630

Offset

1,1

Comments

Column 7 of A260475

Links

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

R. H. Hardin, Empirical recurrence of order 65

Formula

Empirical recurrence of order 65 (see link above)

Example

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

Crossrefs

Cf. A260475

Sequence in context: A024408 A267741 A185795 * A222343 A318628 A194719

Adjacent sequences: A260471 A260472 A260473 * A260475 A260476 A260477

Keyword

nonn

Author

R. H. Hardin, Jul 26 2015

Status

approved