A102180 Iccanobirt semiprime indices (10 of 15): Indices of semiprime numbers in A102120.

5, 15, 18, 29, 30, 31, 32, 33, 44, 46, 59, 84, 95, 97, 98, 136, 154, 203, 207, 245, 262, 291, 323, 340, 362

Offset

1,1

Links

Table of n, a(n) for n=1..25.

Formula

A102120(a(n)) = A102200(n).

Crossrefs

Cf. A001358, A102120, A102171-A102185, A102200.

Sequence in context: A370919 A174598 A022417 * A365910 A045520 A032472

Adjacent sequences: A102177 A102178 A102179 * A102181 A102182 A102183

Keyword

nonn,more,less,base

Author

Jonathan Vos Post and Ray Chandler, Dec 31 2004

Extensions

a(18)-a(20) from Robert Price, Nov 10 2018

Offset changed to 1 and a(21)-a(25) from Jinyuan Wang, Aug 14 2021

Status

approved