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Smallest number such that there exist exactly n triples (x,y,z) of distinct divisors with z=x+y.
1

%I #3 Mar 30 2012 18:50:44

%S 1,6,18,12,30,24,36,48,462,84,390,72,60,264,210,468,144,168,624,528,

%T 252,120,1530,648,1248,336,180,1140,936,1176,780,240,630,660,1296,

%U 4212,2304,3432,504,2730,420,480,3672,1872,2268,2592,900,360,2184,2040,1848,960

%N Smallest number such that there exist exactly n triples (x,y,z) of distinct divisors with z=x+y.

%C A094518(a(n)) = n and A094518(m) <> n for m < a(n).

%K nonn

%O 1,2

%A _Reinhard Zumkeller_, Aug 10 2004