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%I #25 Feb 21 2024 01:49:05
%S 192,320,448,704,832,1088,1216,1458,1472,1856,1984,2368,2624,2752,
%T 3008,3392,3645,3776,3904,4288,4544,4672,5056,5103,5312,5696,6208,
%U 6464,6592,6848,6976,7232,8019,8128,8384,8768,8896,9477,9536,9664,10048,10432,10688
%N Numbers with prime factorization pq^6.
%H T. D. Noe, <a href="/A189987/b189987.txt">Table of n, a(n) for n = 1..1000</a>
%H Will Nicholes, <a href="http://willnicholes.com/math/primesiglist.htm">Prime Signatures</a>
%H <a href="/index/Pri#prime_signature">Index to sequences related to prime signature</a>
%t f[n_]:=Sort[Last/@FactorInteger[n]]=={1,6}; Select[Range[30000],f]
%o (PARI) list(lim)=my(v=List(),t);forprime(p=2, (lim\2)^(1/6), t=p^6;forprime(q=2, lim\t, if(p==q, next);listput(v,t*q))); vecsort(Vec(v)) \\ _Charles R Greathouse IV_, Jul 20 2011
%Y Cf. A030632, A092759.
%K nonn
%O 1,1
%A _Vladimir Joseph Stephan Orlovsky_, May 03 2011
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