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A260000 Number of (n+2)X(7+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000011 or 00000101 1
7284, 32525, 112570, 197804, 450718, 1890678, 4405472, 8894577, 30259110, 85219828, 189364182, 533978795, 1526717742, 3840271170, 10224583070, 27687815294, 72927251426, 197908151664, 519999108640, 1358896817375 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 7 of A260001
LINKS
EXAMPLE
Some solutions for n=4
..1..1..0..0..1..0..0..0..0....0..1..1..0..1..0..0..0..0
..0..1..0..0..1..1..0..0..0....0..0..0..0..0..0..0..1..0
..0..0..0..0..0..0..0..0..1....0..0..0..0..0..0..0..0..1
..0..0..0..0..0..0..0..0..0....1..1..0..0..1..0..0..0..0
..0..1..0..0..1..1..0..0..1....0..0..0..0..0..1..0..0..0
..1..0..0..0..0..0..0..0..0....0..0..0..0..0..0..0..0..1
CROSSREFS
Sequence in context: A084276 A152502 A251226 * A303876 A358855 A031799
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jul 12 2015
STATUS
approved

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Last modified June 13 15:51 EDT 2024. Contains 373389 sequences. (Running on oeis4.)