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A198595
Number of 2nX6 0..3 arrays with values 0..3 introduced in row major order and each element equal to an odd number of horizontal and vertical neighbors
0
272, 511661, 1208560656, 3082580273539, 8057520048724340
OFFSET
1,1
COMMENTS
Column 3 of A198596
EXAMPLE
Some solutions for n=2
..0..1..1..0..0..1....0..1..2..3..3..0....0..0..1..1..2..2....0..1..2..3..2..2
..0..0..2..2..3..1....0..1..2..1..1..0....1..1..2..2..1..1....0..1..2..3..1..1
..0..1..3..3..3..3....1..2..3..0..3..1....0..0..3..0..3..3....1..2..3..1..3..3
..1..1..1..3..1..1....1..2..3..0..3..1....2..2..3..0..2..2....1..2..3..1..2..2
CROSSREFS
Sequence in context: A331655 A225833 A198289 * A028467 A203758 A028679
KEYWORD
nonn
AUTHOR
R. H. Hardin Oct 27 2011
STATUS
approved