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A195092 Numbers k such that (number of prime factors of k counted with multiplicity) less (number of distinct prime factors of k) = 8. 12
512, 1536, 2304, 2560, 3456, 3584, 5184, 5632, 6400, 6656, 7680, 7776, 8704, 9728, 10752, 11520, 11664, 11776, 12544, 14848, 15872, 16000, 16128, 16896, 17280, 17496, 17920, 18944, 19200, 19683, 19968, 20992, 22016, 24064, 24192 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
A046660(a(n)) = 8. - Reinhard Zumkeller, Nov 29 2015
LINKS
MAPLE
op(select(n->bigomega(n)-nops(factorset(n))=8, [$1..24192])); # Paolo P. Lava, Jul 03 2018
MATHEMATICA
Select[Range[25000], PrimeOmega[#]-PrimeNu[#]==8&]
PROG
(PARI) is(n)=bigomega(n)-omega(n)==8 \\ Charles R Greathouse IV, Sep 14 2015
(Haskell)
a195092 n = a195092_list !! (n-1)
a195092_list = filter ((== 8) . a046660) [1..]
-- Reinhard Zumkeller, Nov 29 2015
CROSSREFS
Sequence in context: A224644 A258726 A220583 * A235192 A203451 A251192
KEYWORD
nonn
AUTHOR
Harvey P. Dale, Sep 08 2011
STATUS
approved

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Last modified May 30 06:39 EDT 2023. Contains 363045 sequences. (Running on oeis4.)