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%I #4 Mar 31 2012 12:35:35
%S 1,17,200,1588,9030,40848,157803,526484,1571016,4285591,10795845,
%T 25412877,56578703,119636627,241988291,470828929,884190706,1608280291,
%U 2844350256,4899912505,8243127504,13571819655,21901928396,34695730340
%N Number of 8X8X8 triangular nonnegative integer arrays, symmetric under 120 degree rotation, with all sums of an element and its neighbors <= n
%H R. H. Hardin, <a href="/A166216/b166216.txt">Table of n, a(n) for n=0..42</a>
%K nonn
%O 0,2
%A _R. H. Hardin_ Oct 09 2009
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