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 A189987 Numbers with prime factorization pq^6. 6
 192, 320, 448, 704, 832, 1088, 1216, 1458, 1472, 1856, 1984, 2368, 2624, 2752, 3008, 3392, 3645, 3776, 3904, 4288, 4544, 4672, 5056, 5103, 5312, 5696, 6208, 6464, 6592, 6848, 6976, 7232, 8019, 8128, 8384, 8768, 8896, 9477, 9536, 9664, 10048, 10432, 10688 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS T. D. Noe, Table of n, a(n) for n = 1..1000 Will Nicholes, Prime Signatures FORMULA Solutions of the equation tau(n^13)=79*tau(n). - Paolo P. Lava, Mar 15 2013 MAPLE with(numtheory); A189987:=proc(q) local n; for n from 1 to q do if tau(n^13)=79*tau(n) then print(n); fi; od; end: A189987(10^10);  # Paolo P. Lava, Mar 15 2013 MATHEMATICA f[n_]:=Sort[Last/@FactorInteger[n]]=={1, 6}; Select[Range[30000], f] PROG (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 CROSSREFS Cf. A030632, A092759. Sequence in context: A045077 A234135 A030632 * A229361 A232940 A254854 Adjacent sequences:  A189984 A189985 A189986 * A189988 A189989 A189990 KEYWORD nonn AUTHOR Vladimir Joseph Stephan Orlovsky, May 03 2011 STATUS approved

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Last modified June 7 02:48 EDT 2020. Contains 334836 sequences. (Running on oeis4.)