A102175 Iccanobirt semiprime indices (5 of 15): Indices of semiprime numbers in A102115.

5, 11, 12, 16, 17, 24, 28, 29, 43, 64, 70, 89, 94, 109, 134, 136, 138, 158, 194, 219, 316

Offset

1,1

Links

Table of n, a(n) for n=1..21.

Formula

A102115(a(n)) = A102195(n).

Crossrefs

Cf. A001358, A102115, A102171-A102185, A102195.

Sequence in context: A166275 A122955 A030318 * A139200 A102181 A103068

Adjacent sequences: A102172 A102173 A102174 * A102176 A102177 A102178

Keyword

nonn,more,less,base

Author

Jonathan Vos Post and Ray Chandler, Dec 31 2004

Extensions

a(20) from Robert Price, Nov 08 2018

Offset changed to 1 and a(21) from Jinyuan Wang, Aug 12 2021

Status

approved