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A214348 Number of nXnXn triangular 0..4 arrays with no element lying outside the (possibly reversed) range delimited by its sw and se neighbors 0
5, 65, 1951, 127813, 17790765, 5193620491, 3160001994563, 3995872591050989, 10489950826300197841, 57160724000127089232531 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A214352

LINKS

Table of n, a(n) for n=1..10.

EXAMPLE

Some solutions for n=3

....4......2......1......1......3......1......1......1......2......1......1

...0.4....1.2....1.4....4.1....3.0....2.1....2.0....0.4....2.2....1.3....0.2

..1.0.4..1.3.2..1.4.4..4.4.0..4.3.0..2.2.1..4.0.1..4.0.4..4.0.2..1.1.4..0.1.2

CROSSREFS

Sequence in context: A046881 A336674 A300489 * A195196 A012635 A196975

Adjacent sequences:  A214345 A214346 A214347 * A214349 A214350 A214351

KEYWORD

nonn

AUTHOR

R. H. Hardin Jul 13 2012

STATUS

approved

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Last modified August 3 08:53 EDT 2020. Contains 336197 sequences. (Running on oeis4.)