OFFSET
1,1
COMMENTS
Equivalently, numbers of the form n=p^k*q^m where k,m>0, k+m>2 and p,q prime.
It appears that this is equal to A123711.
LINKS
G. C. Greubel, Table of n, a(n) for n = 1..1000
MATHEMATICA
Select[Range[240], PrimeNu[#] == 2 && PrimeOmega[#] > 2 &] (* Jean-François Alcover, Jun 29 2013 *)
PROG
(PARI) for(n=1, 999, bigomega(n)>2 & omega(n)==2 & print1(n", "))
CROSSREFS
KEYWORD
nonn
AUTHOR
M. F. Hasler, Feb 09 2012
STATUS
approved