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%I #4 Mar 31 2012 12:36:21
%S 0,4,50,7220,3617435,7105087996,53464012176143
%N Number of nXnXn triangular 0..3 arrays with each element equal to the sum mod 4 of two neighbors
%e Some solutions for 4X4X4
%e .....0........1........3........2........3........3........1........3
%e ....0.0......3.2......2.1......0.2......2.1......2.1......2.3......2.1
%e ...1.3.2....1.3.1....1.1.2....3.1.3....0.3.2....1.2.1....1.3.0....3.3.3
%e ..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
%K nonn
%O 1,2
%A _R. H. Hardin_ Jul 16 2011
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