A102202 Iccanobirt semiprimes (12 of 15): Semiprime numbers in A102122.

4, 26, 302, 6487, 6572211, 9962261161, 20114953831, 72323276790496009462, 9563112289639086692081, 639278857103151880047311, 13532727020275663728604021, 91820624869556443938377242, 629083300047263751187646851269521, 40032985928622992884587988549627831

Offset

1,1

Links

Table of n, a(n) for n=1..14.

Formula

a(n) = A102122(A102182(n)).

Crossrefs

Cf. A001358, A102122, A102182, A102191-A102205.

Sequence in context: A156306 A054592 A357795 * A271613 A271614 A136503

Adjacent sequences: A102199 A102200 A102201 * A102203 A102204 A102205

Keyword

nonn,less,base

Author

Jonathan Vos Post and Ray Chandler, Dec 31 2004

Extensions

Offset changed to 1 and more terms from Jinyuan Wang, Aug 14 2021

Status

approved