login
A198284
Number of 2n X 14 0..2 arrays with values 0..2 introduced in row major order and each element equal to exactly two horizontal and vertical neighbors.
0
32, 2574, 219060, 19399132, 1748785516, 158791292898
OFFSET
1,1
COMMENTS
Column 7 of A198285.
EXAMPLE
A solution for n=3:
..0..0..0..0..1..1..1..1..1..1..1..1..0..0
..0..2..2..0..1..0..0..0..0..2..2..1..0..0
..0..2..2..0..1..0..2..2..0..2..2..1..2..2
..0..1..1..0..1..0..2..2..0..1..1..1..2..2
..0..1..1..0..1..0..0..0..0..1..2..2..1..1
..0..0..0..0..1..1..1..1..1..1..2..2..1..1
CROSSREFS
Sequence in context: A247999 A222742 A077143 * A230573 A111923 A136246
KEYWORD
nonn,more
AUTHOR
R. H. Hardin, Oct 23 2011
STATUS
approved