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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 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 2 of A214540
LINKS
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 A175138
KEYWORD
nonn
AUTHOR
R. H. Hardin Jul 20 2012
STATUS
approved

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Last modified April 16 03:28 EDT 2024. Contains 371696 sequences. (Running on oeis4.)