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A211902
Number of triangular nXnXn arrays colored with integers 0 upwards introduced in row major order, with no element equal to any neighbor, and containing the value n(n+1)/2-5
0
0, 0, 15, 2605, 336017, 12353030, 212518051, 2254248571, 17095114982
OFFSET
1,3
COMMENTS
Column 4 of A211904
EXAMPLE
Some solutions for n=4
.....0........0........0........0........0........0........0........0
....1.2......1.2......1.2......1.2......1.2......1.2......1.2......1.2
...3.0.3....0.3.4....3.4.3....3.4.0....3.4.0....3.4.3....3.4.0....3.4.3
..4.2.5.0..3.1.5.6..5.0.2.5..5.0.5.2..2.0.2.5..2.5.2.5..0.5.3.4..0.2.5.2
CROSSREFS
Sequence in context: A266571 A308389 A278410 * A200797 A241116 A126678
KEYWORD
nonn
AUTHOR
R. H. Hardin Apr 25 2012
STATUS
approved