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A192898
Number of nXnXn triangular 0..2 arrays with each element equal to at least two neighbors and with new values 0..2 introduced in row major order
0
0, 1, 1, 10, 89, 3427, 209934, 27387476, 7391213713, 4009901087529
OFFSET
1,4
EXAMPLE
Some solutions for 5X5X5
......0..........0..........0..........0..........0..........0..........0
.....0.0........0.0........0.0........0.0........0.0........0.0........0.0
....1.1.1......1.0.2......0.0.0......0.0.0......0.1.1......1.1.1......1.1.0
...2.1.1.1....1.1.2.2....1.2.2.2....0.0.1.1....0.1.1.1....1.1.1.1....0.1.1.0
..2.2.1.1.1..1.1.1.2.2..1.1.2.2.2..0.0.0.1.1..0.0.1.1.1..1.1.1.1.1..0.0.1.0.0
CROSSREFS
Sequence in context: A120923 A057081 A024132 * A044261 A065690 A202919
KEYWORD
nonn
AUTHOR
R. H. Hardin Jul 12 2011
STATUS
approved