A102197 Iccanobirt semiprimes (7 of 15): Semiprime numbers in A102117.

4, 62, 1350266, 7217219419, 662282997049, 131048548574311, 1476501837943501, 77398992743877949, 1009160086034826303, 7334718374224277375323, 267139368935075847112946291, 149235809291913788071835702010683, 1385662433217897970940689446154295119

Offset

1,1

Links

Table of n, a(n) for n=1..13.

Formula

a(n) = A102117(A102177(n)).

Crossrefs

Cf. A001358, A102117, A102191-A102205.

Sequence in context: A202630 A102196 A102192 * A094323 A286438 A224249

Adjacent sequences: A102194 A102195 A102196 * A102198 A102199 A102200

Keyword

nonn,less,base

Author

Jonathan Vos Post and Ray Chandler, Dec 31 2004

Extensions

Offset changed to 1 and a(13) from Jinyuan Wang, Aug 12 2021

Status

approved