A102172 Iccanobirt semiprime indices (2 of 15): Indices of semiprime numbers in A102112.

5, 9, 20, 29, 31, 32, 51, 54, 56, 76, 81, 83, 89, 98, 139, 145, 292, 314

Offset

1,1

Links

Table of n, a(n) for n=1..18.

Formula

A102112(a(n)) = A102192(n).

Crossrefs

Cf. A001358, A102112, A102171-A102185, A102192.

Sequence in context: A228338 A309731 A253951 * A011983 A087940 A092387

Adjacent sequences: A102169 A102170 A102171 * A102173 A102174 A102175

Keyword

nonn,more,less,base

Author

Jonathan Vos Post and Ray Chandler, Dec 31 2004

Extensions

Offset changed to 1 and a(17)-a(18) from Jinyuan Wang, Aug 08 2021

Status

approved