%I #4 Mar 31 2012 12:36:21

%S 0,5,33,1735,258210,143577818,241937973790,1250512009539459

%N Number of nXnXn triangular 0..3 arrays with each element equal to the product mod 4 of two neighbors

%e Some solutions for 4X4X4

%e .....3........3........2........2........1........0........3........0

%e ....3.1......1.3......1.2......3.2......1.1......0.2......3.1......0.1

%e ...1.3.0....3.2.2....1.1.0....3.1.1....0.3.3....3.2.3....1.1.0....0.3.3

%e ..1.1.0.0..1.3.2.0..3.3.3.0..0.0.1.1..0.3.1.3..3.1.3.1..1.1.1.0..0.1.3.1

%K nonn

%O 1,2

%A _R. H. Hardin_ Jul 22 2011