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A193157
Number of nXnXn triangular 0..3 arrays with each element equal to the sum mod 4 of two neighbors
0
0, 4, 50, 7220, 3617435, 7105087996, 53464012176143
OFFSET
1,2
EXAMPLE
Some solutions for 4X4X4
.....0........1........3........2........3........3........1........3
....0.0......3.2......2.1......0.2......2.1......2.1......2.3......2.1
...1.3.2....1.3.1....1.1.2....3.1.3....0.3.2....1.2.1....1.3.0....3.3.3
..3.2.2.0..2.1.1.2..3.2.3.1..1.2.1.0..0.0.2.0..0.3.3.0..2.1.1.1..1.2.2.1
CROSSREFS
Sequence in context: A016078 A327229 A231832 * A235604 A221477 A122464
KEYWORD
nonn
AUTHOR
R. H. Hardin Jul 16 2011
STATUS
approved