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%I #27 Mar 17 2024 02:15:51
%S 32,96,144,160,216,224,243,324,352,400,416,480,486,544,608,672,720,
%T 736,784,928,992,1000,1008,1056,1080,1120,1184,1200,1215,1248,1312,
%U 1376,1504,1512,1584,1620,1632,1696,1701,1760,1800,1824,1872,1888,1936,1952
%N Numbers k such that (number of prime factors of k counted with multiplicity) less (number of distinct prime factors of k) = 4.
%C A046660(a(n)) = 4. - _Reinhard Zumkeller_, Nov 29 2015
%H Reinhard Zumkeller, <a href="/A195088/b195088.txt">Table of n, a(n) for n = 1..10000</a>
%H <a href="/index/Eu#epf">Index entries for sequences computed from exponents in factorization of n</a>
%t Select[Range[2000],PrimeOmega[#]-PrimeNu[#]==4&]
%o (PARI) is(n)=bigomega(n)-omega(n)==4 \\ _Charles R Greathouse IV_, Sep 14 2015
%o (Haskell)
%o a195088 n = a195088_list !! (n-1)
%o a195088_list = filter ((== 4) . a046660) [1..]
%o -- _Reinhard Zumkeller_, Nov 29 2015
%Y Cf. A060687, A195069, A195086, A195087, A195089, A195090, A195091, A195092, A195093.
%Y Cf. A025487, A046660, A257851, A261256, A264959.
%K nonn
%O 1,1
%A _Harvey P. Dale_, Sep 08 2011
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