login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A161609 Primes of the form n!+n^3+n^2+n+1. 0
2, 5, 17, 109 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

The associated n are 0,1,2,4,... (and no further between 4 and 2020, ie., the next prime has at least 5802 digits).

LINKS

Table of n, a(n) for n=1..4.

MATHEMATICA

lst={}; Do[p=n!+n^3+n^2+n+1; If[PrimeQ[p], AppendTo[lst, p]], {n, 0, 6!}]; lst

CROSSREFS

Sequence in context: A081546 A103511 A254132 * A228238 A174168 A097980

Adjacent sequences:  A161606 A161607 A161608 * A161610 A161611 A161612

KEYWORD

nonn

AUTHOR

Vladimir Joseph Stephan Orlovsky, Jun 14 2009

STATUS

approved

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified July 2 09:21 EDT 2020. Contains 335398 sequences. (Running on oeis4.)