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%I #12 Aug 14 2021 13:13:36
%S 4,53122,412441,2360934421,2982905123,1968515515,8282454457,
%T 17281502461,88998294238681,858342429826762,2350396241873433799,
%U 25572406084465911331237801,52170015710352407496920694341,798986767053692909522422712521,718154384550161644441959876349
%N Iccanobirt semiprimes (10 of 15): Semiprime numbers in A102120.
%F a(n) = A102120(A102180(n)).
%Y Cf. A001358, A102120, A102180, A102191-A102205.
%K nonn,less,base
%O 1,1
%A _Jonathan Vos Post_ and _Ray Chandler_, Dec 31 2004
%E Offset changed to 1 and more terms from _Jinyuan Wang_, Aug 14 2021
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