A102182 Iccanobirt semiprime indices (12 of 15): Indices of semiprime numbers in A102122.

5, 9, 11, 18, 21, 29, 31, 64, 69, 76, 80, 81, 102, 111, 112, 120, 122, 133, 135, 136, 187, 212, 219, 314

Offset

1,1

Links

Table of n, a(n) for n=1..24.

Formula

A102122(a(n)) = A102202(n).

Crossrefs

Cf. A001358, A102122, A102171-A102185, A102202.

Sequence in context: A214604 A101284 A362156 * A100141 A314604 A309137

Adjacent sequences: A102179 A102180 A102181 * A102183 A102184 A102185

Keyword

nonn,more,less,base

Author

Jonathan Vos Post and Ray Chandler, Dec 31 2004

Extensions

a(22) from Robert Price, Nov 10 2018

Offset changed to 1 and a(23)-a(24) from Jinyuan Wang, Aug 14 2021

Status

approved