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A202646 Number of (n+2)X9 binary arrays avoiding patterns 000 and 111 in rows, columns and nw-to-se diagonals 1
25526, 224940, 2443538, 27264078, 304200608, 3423531924, 38841628112, 440204384164, 4991946563700, 56832465909314, 646275853203400, 7346916109114702, 83673041654762546, 952266920996706060 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 7 of A202647
LINKS
EXAMPLE
Some solutions for n=1
..1..1..0..1..0..0..1..0..1....1..1..0..0..1..0..0..1..0
..1..0..0..1..0..1..0..1..0....1..0..1..1..0..0..1..0..1
..0..1..1..0..1..1..0..1..0....0..0..1..0..1..1..0..1..1
CROSSREFS
Sequence in context: A124997 A031837 A237865 * A210093 A184027 A023350
KEYWORD
nonn
AUTHOR
R. H. Hardin Dec 22 2011
STATUS
approved

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Last modified July 20 05:30 EDT 2024. Contains 374441 sequences. (Running on oeis4.)