A102180 - OEIS

%I #16 Aug 14 2021 12:51:55

%S 5,15,18,29,30,31,32,33,44,46,59,84,95,97,98,136,154,203,207,245,262,

%T 291,323,340,362

%N Iccanobirt semiprime indices (10 of 15): Indices of semiprime numbers in A102120.

%F A102120(a(n)) = A102200(n).

%Y Cf. A001358, A102120, A102171-A102185, A102200.

%K nonn,more,less,base

%O 1,1

%A _Jonathan Vos Post_ and _Ray Chandler_, Dec 31 2004

%E a(18)-a(20) from _Robert Price_, Nov 10 2018

%E Offset changed to 1 and a(21)-a(25) from _Jinyuan Wang_, Aug 14 2021