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A260607 Number of (n+2)X(6+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000101 00010001 or 00010101 1
1029, 2480, 7516, 22944, 70906, 228678, 727342, 2311370, 7375562, 23635422, 75483274, 240680882, 768878776, 2457889646, 7849301394, 25058672956, 80049377842, 255735233668, 816674565798, 2608176143032, 8331534566166 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A260609

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

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

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

CROSSREFS

Cf. A260609

Sequence in context: A168189 A045031 A250759 * A298910 A256075 A061327

Adjacent sequences:  A260604 A260605 A260606 * A260608 A260609 A260610

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jul 29 2015

STATUS

approved

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Last modified April 16 18:53 EDT 2021. Contains 343050 sequences. (Running on oeis4.)