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A260542 Number of (n+2)X(6+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000011 or 00010001 1
1350, 2229, 5592, 10949, 21050, 50674, 105058, 215160, 491828, 1049785, 2150978, 4861442, 10613272, 21767633, 47961230, 106700538, 222224336, 477409073, 1064533728, 2264380451, 4801740316, 10603765362, 22929132008, 48580458578 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 6 of A260544
LINKS
FORMULA
Empirical recurrence of order 91 (see link above)
EXAMPLE
Some solutions for n=4
..1..0..0..0..0..0..0..1....0..0..0..1..0..0..0..1....1..0..0..1..0..0..1..1
..0..0..0..1..1..0..0..1....1..0..0..0..0..0..1..0....1..0..0..1..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
..0..1..0..0..0..0..0..0....0..0..1..1..0..0..0..0....0..0..0..0..0..0..0..0
..0..1..0..0..1..1..0..0....0..0..0..0..0..0..1..1....0..1..1..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..1..0..0
CROSSREFS
Sequence in context: A166193 A307586 A224743 * A307218 A278383 A174638
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jul 28 2015
STATUS
approved

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Last modified February 23 08:04 EST 2024. Contains 370269 sequences. (Running on oeis4.)