Search: id:A075818
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%I A075818
%S A075818 8,12,18,20,28,30,42,44,50,52,66,68,70,76,78,92,98,102,110,114,116,124,
%T A075818 130,138,148,154,164,170,172,174,182,186,188,190,212,222,230,236,238,
%U A075818 242,244,246,258,266,268,282,284,286,290,292,310,316,318,322,332,338
%N A075818 Even numbers with exactly 3 prime factors (counted with multiplicity).
%e A075818 28=2^2*7, 30=2*3*5 and 42=2*3*7 are even and are products of exactly 
               3 primes.
%p A075818 ts_bo3_sod := proc(n); if (numtheory[bigomega](n)=3 and type(n,even)='true') 
               then RETURN(n); fi end: abo3sod := [seq(ts_bo3_sod(i), i=1..2300)]: 
               abo3sod;
%Y A075818 Cf. A046470, A053858.
%Y A075818 Sequence in context: A046369 A066428 A054397 this_sequence A090738 A085103 
               A157940
%Y A075818 Adjacent sequences: A075815 A075816 A075817 this_sequence A075819 A075820 
               A075821
%K A075818 easy,nonn
%O A075818 1,1
%A A075818 Jani Melik (jani_melik(AT)hotmail.com), Oct 13 2002
%E A075818 Edited by Dean Hickerson (dean.hickerson(AT)yahoo.com), Oct 21 2002

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