login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A102172 Iccanobirt semiprime indices (2 of 15): Indices of semiprime numbers in A102112. 2
5, 9, 20, 29, 31, 32, 51, 54, 56, 76, 81, 83, 89, 98, 139, 145, 292, 314 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
FORMULA
A102112(a(n)) = A102192(n).
CROSSREFS
Sequence in context: A228338 A309731 A253951 * A011983 A087940 A092387
KEYWORD
nonn,more,less,base
AUTHOR
EXTENSIONS
Offset changed to 1 and a(17)-a(18) from Jinyuan Wang, Aug 08 2021
STATUS
approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified March 28 18:04 EDT 2024. Contains 371254 sequences. (Running on oeis4.)