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%I #3 Mar 30 2012 18:50:37
%S 60,84,132,140,156,204,220,228,260,276,308,315,340,348,364,372,380,
%T 444,460,476,492,495,516,532,564,572,580,585,620,636,644,693,708,732,
%U 740,748,765,804,812,819,820,836,852,855,860,868,876,884,940,948,988
%N Numbers of the form p^2 * q * r with primes p < q < r.
%C A001221(a(n))=3, A001222(a(n))=4;
%C A020639(a(n))^2 divides a(n);
%C subsequence of A086974 and of A085987.
%K nonn
%O 1,1
%A _Reinhard Zumkeller_, Jul 25 2003
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