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A214351
Number of n X n X n triangular 0..7 arrays with no element lying outside the (possibly reversed) range delimited by its sw and se neighbors.
0
8, 232, 20840, 5349708, 3766437036, 7118347901224, 35699489509054494, 472117658204259171294
OFFSET
1,1
COMMENTS
Column 7 of A214352.
EXAMPLE
Some solutions for n=3
....4......4......3......6......4......0......4......2......5......0......2
...0.6....7.0....3.2....5.6....4.1....0.0....2.5....1.3....6.3....0.7....6.1
..0.2.7..7.0.5..2.3.2..3.6.0..0.7.1..0.0.2..0.6.3..1.2.3..1.7.1..0.0.7..6.0.7
CROSSREFS
Cf. A214352.
Sequence in context: A300798 A240299 A222525 * A303450 A301437 A111836
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jul 13 2012
STATUS
approved