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A186049 Number of (n+2)X8 binary arrays with each 3X3 subblock singular 1
2588842, 240280270, 21790214094, 1642063770394, 137706977983060, 11449128594687024, 936496872238986044, 77511953226639748246, 6406893092233533908442, 528930411882010842895740 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A186052

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..48

EXAMPLE

Some solutions for 4X8

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

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

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

CROSSREFS

Sequence in context: A225321 A259563 A151938 * A237920 A317615 A250706

Adjacent sequences:  A186046 A186047 A186048 * A186050 A186051 A186052

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 11 2011

STATUS

approved

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Last modified October 2 23:51 EDT 2022. Contains 357230 sequences. (Running on oeis4.)