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%I #6 Oct 02 2013 15:47:14
%S 2,8,12,18,20,28,30,32,42,44,48,50,52,66,68,70,72,76,78,80,92,98,102,
%T 108,110,112,114,116,120,124,128,130,138,148,154,162,164,168,170,172,
%U 174,176,180,182,186,188,190,192,200,208,212,222,230,236,238,242,244
%N Even numbers with an odd number of prime factors (counted with multiplicity).
%e a(2)=8, which is even with odd number of prime factors i.e. 3.
%t Select[Range[2, 244, 2], OddQ[PrimeOmega[#]] &] (* _Jayanta Basu_, Jun 26 2013 *)
%Y Cf. A046337.
%K nonn
%O 1,1
%A _Shyam Sunder Gupta_, Feb 16 2002