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A260247 Number of (n+2)X(7+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000101 or 00001001 1
10110, 18837, 56634, 85491, 238852, 906498, 1606456, 3601412, 12214696, 29652462, 59024564, 170234202, 476307636, 1016593000, 2509402408, 7209266008, 17002833240, 39321041096, 107511503760, 273221762146, 633085054356 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A260248

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

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

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

CROSSREFS

Cf. A260248

Sequence in context: A300558 A227407 A227409 * A058042 A191244 A269066

Adjacent sequences:  A260244 A260245 A260246 * A260248 A260249 A260250

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jul 20 2015

STATUS

approved

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Last modified November 12 04:21 EST 2019. Contains 329051 sequences. (Running on oeis4.)