%I #4 Mar 31 2012 12:36:21
%S 8,364,15391,2002035,1435357131,5135093341467
%N Number of nXnXn triangular 0..7 arrays with no element equal to the difference mod 8 of any two of its neighbors
%e Some solutions for 4X4X4
%e .....2........4........3........2........4........3........2........3
%e ....3.2......1.4......2.2......3.3......3.3......2.2......3.2......3.3
%e ...2.3.2....1.1.1....2.2.2....3.2.2....3.3.4....2.2.2....3.3.2....2.2.3
%e ..3.2.2.2..1.1.1.4..3.3.3.3..2.3.2.3..2.3.3.3..2.2.3.2..2.2.2.2..3.3.2.2
%K nonn
%O 1,1
%A _R. H. Hardin_ Aug 07 2011