%I A110893
%S A110893 16,24,36,40,54,56,60,64,81,84,88,90,96,100,104,126,132,135,136,140,144,
%T A110893 150,152,156,160,184,189,196,198,204,210,216,220,224,225,228,232,234,
%U A110893 240,248,250,260,276,294,296,297,306,308,315,324,328,330,336,340,342
%N A110893 Numbers with a semiprime number of prime divisors (counted with multiplicity).
%C A110893 Below 256 = 2^8 this is identical to A067028 (Numbers with a composite 
               number of prime factors, counted with multiplicity).
%F A110893 a(n) such that A001222(a(n)) is an element of A001358. a(n) such that 
               bigomega(a(n)) is an element of A001358. Union[4-almost primes(A014613), 
               6-almost primes(A046306), 9-almost primes(A046312), 10-almost primes(A046314), 
               14-almost primes(A069275), 15-almost primes(A069276), 21-almost primes, 
               22-almost primes, 25-almost primes, 26-almost primes, ...]
%Y A110893 Cf. A000040, A001222, A001358, A014613, A046306, A046312, A046314, A063989, 
               A067028, A069276.
%Y A110893 Sequence in context: A100316 A036328 A067028 this_sequence A014613 A046370 
               A103248
%Y A110893 Adjacent sequences: A110890 A110891 A110892 this_sequence A110894 A110895 
               A110896
%K A110893 easy,nonn
%O A110893 1,1
%A A110893 Jonathan Vos Post (jvospost3(AT)gmail.com), Sep 20 2005