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A184384 1/12 the number of (n+2)X9 0..2 arrays with each 3X3 subblock containing three of each value 0
1096781, 1165496, 1245641, 1348574, 1633604, 2168744, 3651098 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A184386

LINKS

Table of n, a(n) for n=1..7.

EXAMPLE

Some solutions with a(1,1)=0 for 4X9

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

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

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

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

CROSSREFS

Sequence in context: A172647 A172754 A268036 * A086212 A316481 A253619

Adjacent sequences:  A184381 A184382 A184383 * A184385 A184386 A184387

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 12 2011

STATUS

approved

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Last modified June 19 23:01 EDT 2019. Contains 324222 sequences. (Running on oeis4.)