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%I #3 Mar 31 2012 12:35:35
%S 1,2277,1973317,652489468,90909213960,6779925069586,317675182498031
%N Number of 14X14X14 triangular nonnegative integer arrays, symmetric under 120 degree rotation, with all sums of an element and its neighbors <= n
%K nonn
%O 0,2
%A _R. H. Hardin_ Oct 09 2009