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A214534
Number of nXnXn triangular 0..2 arrays with no element lying outside the (possibly reversed) range delimited by its sw and se neighbors, and every horizontal row having the same average value
0
3, 5, 15, 93, 1007, 17213, 461465, 19166997, 1246538209, 126946385993, 20342860627393, 5148359000639457
OFFSET
1,1
COMMENTS
Column 2 of A214540
EXAMPLE
Some solutions for n=4
.....1........1........1........1........1........1........1........1
....1.1......2.0......2.0......0.2......1.1......0.2......0.2......1.1
...2.0.1....2.0.1....1.2.0....0.2.1....2.0.1....1.0.2....1.0.2....2.0.1
..1.2.0.1..1.2.0.1..1.2.0.1..0.2.1.1..0.2.0.2..0.2.0.2..1.0.1.2..2.0.1.1
CROSSREFS
Sequence in context: A305873 A307999 A018771 * A270548 A292339 A374463
KEYWORD
nonn
AUTHOR
R. H. Hardin Jul 20 2012
STATUS
approved