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A193368 Number of nXnXn triangular 0..3 arrays with no element equal to the product mod 4 of any two neighbors 1
4, 41, 358, 3136, 52618, 2219896, 180648122, 26186281114, 6817597592917, 3174584242587777, 2648093971605024584, 3954815147871186523991, 10576607847561078075619087, 50648631487657145850324740233 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..15

EXAMPLE

Some solutions for 4X4X4

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

....1.0......3.3......1.1......3.0......3.3......0.3......3.3......3.0

...2.3.1....3.0.3....3.0.3....3.3.2....3.3.2....2.1.2....2.3.2....3.3.3

..3.0.1.0..3.2.3.3..0.2.1.2..2.0.3.0..3.2.3.3..0.1.0.1..3.3.3.0..3.3.2.0

CROSSREFS

Sequence in context: A089664 A121671 A089454 * A109109 A227996 A236528

Adjacent sequences:  A193365 A193366 A193367 * A193369 A193370 A193371

KEYWORD

nonn

AUTHOR

R. H. Hardin Jul 24 2011

STATUS

approved

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Last modified March 25 07:12 EDT 2019. Contains 321468 sequences. (Running on oeis4.)