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A260246 Number of (n+2)X(6+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000101 or 00001001 1
4027, 7822, 22944, 42143, 122048, 416911, 906498, 2164027, 6912900, 19008695, 42243368, 118693767, 351663576, 862455845, 2149354562, 6271021751, 16817997488, 41248933871, 112144132366, 314044473839, 801369177620 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A260248

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Cf. A260248

Sequence in context: A124728 A251098 A034229 * A242864 A247689 A258401

Adjacent sequences:  A260243 A260244 A260245 * A260247 A260248 A260249

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jul 20 2015

STATUS

approved

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Last modified September 25 15:27 EDT 2021. Contains 347658 sequences. (Running on oeis4.)