A166218 - OEIS

%I #3 Mar 31 2012 12:35:35

%S 1,101,3980,104510,1598732,16474555,140020892,931368996,5087344969,

%T 25012399727,106992734072,406769105056,1447700846889,4710009299519,

%U 14166568176196

%N Number of 10X10X10 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