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A260176 Number of (n+2)X(7+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000101 or 00010001 1
5235, 15847, 46263, 153286, 572908, 2136068, 7542684, 27290652, 103230076, 376084390, 1384508646, 5089292404, 18950590232, 69333670572, 257144715114, 945604043768, 3506611951218, 12872285438650, 47738167503228 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A260177

LINKS

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

EXAMPLE

Some solutions for n=4

..0..0..0..0..1..0..0..0..0....0..0..0..0..1..0..0..1..0

..0..0..0..0..0..1..0..0..1....0..0..0..1..0..0..0..0..0

..0..0..1..0..0..0..0..0..0....1..0..1..0..0..0..0..0..0

..0..1..0..0..0..1..0..0..1....0..0..0..0..0..1..0..1..0

..1..0..0..0..1..0..0..0..0....0..0..0..0..1..0..0..0..1

..0..0..0..1..0..0..0..0..0....0..1..0..0..0..0..0..0..0

CROSSREFS

Cf. A260177

Sequence in context: A204139 A237408 A235296 * A093182 A124658 A256745

Adjacent sequences:  A260173 A260174 A260175 * A260177 A260178 A260179

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jul 17 2015

STATUS

approved

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Last modified October 3 04:46 EDT 2022. Contains 357230 sequences. (Running on oeis4.)