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%I #13 Mar 16 2024 11:19:21
%S 1536,2560,3584,5632,6656,8704,9728,11776,14848,15872,18944,20992,
%T 22016,24064,27136,30208,31232,34304,36352,37376,39366,40448,42496,
%U 45568,49664,51712,52736,54784,55808,57856,65024,67072,70144,71168,76288,77312,80384,83456
%N Numbers of the form p^9*q where p and q are distinct primes.
%H T. D. Noe, <a href="/A179692/b179692.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>
%t f[n_]:=Sort[Last/@FactorInteger[n]]=={1,9}; Select[Range[90000], f]
%o (PARI) list(lim)=my(v=List(),t);forprime(p=2, (lim\2)^(1/9), t=p^9;forprime(q=2, lim\t, if(p==q, next);listput(v,t*q))); vecsort(Vec(v)) \\ _Charles R Greathouse IV_, Jul 24 2011
%Y Cf. A006881, A007304, A065036, A085986, A085987, A092759, A178739, A179642, A179643, A179644, A179645, A179646, A179664, A179665, A179666, A179667, A179668, A179669, A179670, A179671, A179672, A179688, A179689, A179690, A179691.
%K nonn
%O 1,1
%A _Vladimir Joseph Stephan Orlovsky_, Jul 24 2010
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