%I #12 Aug 15 2021 09:31:22
%S 4,26,49,1651,44311,38141,45901,990681,8041777,60558487,8252802091,
%T 1348187591,11280376871,49455591538,1658081357516741,
%U 15268848817955861,6791980801494070261,8278821177559776598,759117158185214871379,47088657278621730593201,187491222710962870446779
%N Iccanobirt semiprimes (13 of 15): Semiprime numbers in A102123.
%F a(n) = A102123(A102183(n)).
%Y Cf. A001358, A102123, A102183, 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 15 2021