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A102179 Iccanobirt semiprime indices (9 of 15): Indices of semiprime numbers in A102119. 1

%I #10 Aug 14 2021 07:12:47

%S 5,9,17,18,20,25,28,29,35,41,48,50,51,58,67,74,90,94,107,108,135,137,

%T 159,165,186,254,290

%N Iccanobirt semiprime indices (9 of 15): Indices of semiprime numbers in A102119.

%F A102119(a(n)) = A102199(n).

%Y Cf. A001358, A102119, A102171-A102185, A102199.

%K nonn,more,less,base

%O 1,1

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

%E Offset changed to 1 and a(26)-a(27) from _Jinyuan Wang_, Aug 14 2021

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Last modified July 22 10:58 EDT 2024. Contains 374490 sequences. (Running on oeis4.)