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!)
A120563 Prime numbers of the form Product_{k=1..m} prime(k)^k + 1. 0
3, 19, 2251 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Corresponding m for these three terms are 1, 2, 3. The next term, if any, has 330855 or more digits and corresponding m > 450.
LINKS
EXAMPLE
The prime 2251 is a term as 2251 = 2^1 * 3^2 * 5^3 + 1.
CROSSREFS
Sequence in context: A248704 A098796 A365579 * A182344 A191623 A164063
KEYWORD
bref,hard,more,nonn
AUTHOR
Rick L. Shepherd, Jun 14 2006
EXTENSIONS
Offset corrected by Mohammed Yaseen, Apr 24 2023
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 April 29 03:15 EDT 2024. Contains 372097 sequences. (Running on oeis4.)