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A184382 1/12 the number of (n+2)X7 0..2 arrays with each 3X3 subblock containing three of each value 0
43295, 55386, 73139, 104312, 207470, 503298, 1633604, 7390644, 37119266, 201919862, 1162693358, 6783440940, 40025476760, 238338172356, 1422237022574, 8503994861102, 50939995724510 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A184386

LINKS

Table of n, a(n) for n=1..17.

EXAMPLE

Some solutions with a(1,1)=0 for 4X7

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

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

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

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

CROSSREFS

Sequence in context: A321038 A256767 A258677 * A126771 A103875 A224623

Adjacent sequences:  A184379 A184380 A184381 * A184383 A184384 A184385

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 12 2011

STATUS

approved

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Last modified September 16 18:45 EDT 2019. Contains 327117 sequences. (Running on oeis4.)