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A271191 Number of nXnXn triangular 0..5 arrays with new values introduced in sequential zero-upwards order and exactly one upright 2x2x2 triangle having values all different. 0
0, 1, 72, 10794, 4396148, 5372968836, 19590379147806, 206003718526985328, 6097257359554668961413 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,3
COMMENTS
Column 5 of A271194.
LINKS
EXAMPLE
Some solutions for n=4
.....0........0........0........0........0........0........0........0
....1.2......1.0......1.1......1.0......0.1......1.0......1.0......1.2
...2.2.2....0.1.0....2.1.3....1.0.2....2.2.3....2.0.0....0.0.2....1.2.2
..2.1.2.3..2.2.0.0..3.3.1.4..1.2.1.1..2.3.3.4..0.0.2.2..3.2.0.2..0.1.2.0
CROSSREFS
Cf. A271194.
Sequence in context: A093236 A146500 A271190 * A271192 A271193 A289369
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 01 2016
STATUS
approved

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Last modified March 28 12:59 EDT 2024. Contains 371254 sequences. (Running on oeis4.)