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A209895
Number of (n+1)X7 0..2 arrays with every 2X2 subblock having two distinct values, and new values 0..2 introduced in row major order
1
18464, 1293568, 97195728, 7597233712, 602072007808, 48053885453696, 3846901518589376, 308412624303464672, 24742329866927987152, 1985576485098483414896, 159366143592030604947408
OFFSET
1,1
COMMENTS
Column 6 of A209897
LINKS
EXAMPLE
Some solutions for n=4
..0..0..0..0..0..1..2....0..0..0..0..1..2..0....0..1..1..1..1..0..2
..0..2..2..0..1..1..2....1..0..1..0..1..2..0....0..0..1..2..1..0..2
..2..2..0..0..0..1..1....0..1..0..0..1..2..2....1..0..1..2..1..0..2
..0..2..2..2..0..1..2....0..0..0..1..1..1..1....1..1..1..1..1..0..0
..0..2..0..0..0..1..2....1..0..1..0..0..0..0....1..2..1..0..0..1..0
CROSSREFS
Sequence in context: A251874 A035924 A375908 * A190110 A157738 A247205
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 14 2012
STATUS
approved