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A214351 Number of nXnXn 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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A214352

LINKS

Table of n, a(n) for n=1..8.

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

Sequence in context: A300798 A240299 A222525 * A303450 A301437 A111836

Adjacent sequences:  A214348 A214349 A214350 * A214352 A214353 A214354

KEYWORD

nonn

AUTHOR

R. H. Hardin Jul 13 2012

STATUS

approved

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Last modified August 7 22:44 EDT 2020. Contains 336279 sequences. (Running on oeis4.)