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A184772 Number of (n+1)X9 0..3 arrays with every 2X2 subblock singular 0
13370536, 119205236368, 26695990774288, 77441892454241488, 38088784754633618128, 65125066574894542587856, 49227749118673440429632464, 65871504288847215551031759568 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 8 of A184773

LINKS

Table of n, a(n) for n=1..8.

EXAMPLE

Some solutions for 3X9

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

..0..0..0..0..0..1..3..0..1....0..0..0..0..0..0..0..0..0

..0..0..0..0..0..1..3..0..2....0..0..0..0..0..1..3..3..3

CROSSREFS

Sequence in context: A203795 A094801 A250831 * A015425 A205026 A126724

Adjacent sequences:  A184769 A184770 A184771 * A184773 A184774 A184775

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 21 2011

STATUS

approved

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Last modified April 20 06:19 EDT 2019. Contains 322294 sequences. (Running on oeis4.)