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A102198 Iccanobirt semiprimes (8 of 15): Semiprime numbers in A102118. 1

%I #10 Aug 14 2021 07:15:14

%S 4,26,86,8149,63071,16297,649051,58252941851,92725334137,

%T 1053497381056741,1278670308661982,94977834729989377,

%U 670970457022641744643,875040780930863483219,717513198454659455769232618,5543447679090248342657818634097933227550696536461

%N Iccanobirt semiprimes (8 of 15): Semiprime numbers in A102118.

%F a(n) = A102118(A102178(n)).

%Y Cf. A001358, A102118, 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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Last modified April 17 21:16 EDT 2024. Contains 371767 sequences. (Running on oeis4.)