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%I #3 Mar 31 2012 12:35:35
%S 1,14,5,21,616,3614,65576,6508702,119636627,10193915255,4710009299519
%N Number of nXnXn triangular nonnegative integer arrays, symmetric under 120 degree rotation, with all sums of an element and its neighbors <= 13
%K nonn
%O 0,2
%A _R. H. Hardin_ Oct 09 2009