A102171 Iccanobirt semiprime indices (1 of 15): Indices of semiprime numbers in A102111.

5, 11, 24, 33, 57, 64, 71, 72, 116, 126, 141, 174, 210, 311, 334, 370, 441, 480, 574

Offset

1,1

Links

Table of n, a(n) for n=1..19.

Formula

A102111(a(n)) = A102191(n).

Crossrefs

Cf. A001358, A102111, A102172-A102185.

Sequence in context: A095030 A065114 A309730 * A335153 A122926 A122925

Adjacent sequences: A102168 A102169 A102170 * A102172 A102173 A102174

Keyword

nonn,more,less,base

Author

Jonathan Vos Post and Ray Chandler, Dec 31 2004

Extensions

a(13) from Robert Price, Nov 07 2018

Offset changed to 1 and a(14)-a(19) from Jinyuan Wang, Jul 31 2021

Status

approved