A102196 Iccanobirt semiprimes (6 of 15): Semiprime numbers in A102116.

4, 62, 18409, 11871383, 179446253401, 55485890942935, 8760033628867763034703, 77397904424005721701931992165, 117620535110076552813927714538053562565219253501365446, 57053214293426832976128532148240906999130287862801348038, 3084400686317650617690846479039523322373660299445872156438

Offset: 1

Author

Jonathan Vos Post and Ray Chandler, Dec 31 2004

Keywords

• nonn
• less
• base

Crossrefs

Cf. A001358, A102116, A102191-A102205.

Formula

a(n) = A102116(A102176(n)).

Extensions

Offset changed to 1 and more terms from Jinyuan Wang, Aug 12 2021