Search: id:A014614
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%I A014614
%S A014614 32,48,72,80,108,112,120,162,168,176,180,200,208,243,252,264,270,272,
%T A014614 280,300,304,312,368,378,392,396,405,408,420,440,450,456,464,468,496,
%U A014614 500,520,552,567,588,592,594,612,616,630,656,660,675,680,684,688,696
%N A014614 Numbers that are products of 5 primes (or 5-almost primes, a generalization 
               of semiprimes).
%C A014614 Divisible by exactly 5 primes (counted with multiplicity).
%H A014614 T. D. Noe, <a href="b014614.txt">Table of n, a(n) for n=1..10000</a>
%H A014614 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               AlmostPrime.html">Link to a section of The World of Mathematics.</
               a>
%F A014614 Product p_i^e_i with Sum e_i = 5.
%t A014614 Select[Range[300], Plus @@ Last /@ FactorInteger[ # ] == 5 &] - Vladimir 
               Orlovsky, Apr 23 2008
%Y A014614 Cf. A014613, A046304, A114453 (number of 5-almost primes <= 10^n).
%Y A014614 Sequence in context: A090052 A163285 A036329 this_sequence A046371 A039379 
               A043202
%Y A014614 Adjacent sequences: A014611 A014612 A014613 this_sequence A014615 A014616 
               A014617
%K A014614 nonn
%O A014614 1,1
%A A014614 Eric Weisstein (eric(AT)weisstein.com)
%E A014614 More terms from Scott Lindhurst (ScottL(AT)alumni.princeton.edu) and 
               Patrick De Geest, Jun 15 1998 (pdg(AT)worldofnumbers.com).

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