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A184383
1/12 the number of (n+2)X8 0..2 arrays with each 3X3 subblock containing three of each value
0
212747, 242370, 280347, 336236, 503298, 890982, 2168744, 8382192, 39000438
OFFSET
1,1
COMMENTS
Column 6 of A184386
EXAMPLE
Some solutions with a(1,1)=0 for 4X8
..0..2..1..1..2..2..0..2....0..1..2..1..2..2..1..1....0..1..2..0..2..2..0..2
..0..1..0..0..2..1..0..1....0..0..1..0..0..2..0..0....0..2..1..0..2..1..0..2
..1..2..2..0..1..0..1..2....1..2..2..0..1..1..0..2....0..2..1..0..1..1..0..1
..0..2..1..1..2..2..0..2....0..1..2..1..2..2..1..1....2..1..0..2..2..0..2..2
CROSSREFS
Sequence in context: A246999 A186694 A143641 * A234829 A184652 A184650
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 12 2011
STATUS
approved