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A192602 Number of nXnXn triangular 0..3 arrays with each element equal to at least one neighbor and new values 0..3 introduced in row major order 0
0, 1, 12, 566, 128311, 105795037, 292404355298, 2682155757690769 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

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

EXAMPLE

Some solutions for 4X4X4

.....0........0........0........0........0........0........0........0

....1.0......1.0......1.0......0.1......0.1......1.0......0.0......0.0

...2.1.0....1.2.0....1.2.0....1.2.1....0.1.1....1.2.2....1.0.2....1.1.0

..2.3.3.0..3.3.2.0..1.1.2.2..1.2.1.1..0.1.0.0..3.3.3.2..1.3.3.2..1.1.0.0

CROSSREFS

Sequence in context: A224539 A210816 A133415 * A227143 A274259 A192603

Adjacent sequences:  A192599 A192600 A192601 * A192603 A192604 A192605

KEYWORD

nonn

AUTHOR

R. H. Hardin Jul 04 2011

STATUS

approved

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Last modified March 19 19:32 EDT 2019. Contains 321330 sequences. (Running on oeis4.)