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Number of nXnXn triangular 0..4 arrays with each element equal to the sum mod 5 of two neighbors
0

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

%S 0,1,37,10853,11355309,57056784509

%N Number of nXnXn triangular 0..4 arrays with each element equal to the sum mod 5 of two neighbors

%e Some solutions for 4X4X4

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

%e ....3.4......3.4......3.3......1.2......0.0......3.4......4.3......3.0

%e ...4.3.1....1.0.4....0.3.2....2.4.2....3.2.2....3.0.1....1.0.1....4.4.1

%e ..4.0.1.2..2.1.4.3..2.2.2.4..3.1.0.2..1.3.1.3..2.4.1.2..2.1.2.3..1.2.1.2

%K nonn

%O 1,3

%A _R. H. Hardin_ Jul 16 2011