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!)
A084852 Numbers n such that n^(n+1)+(n+1)^n-n(n+1) is prime. 1
2, 5, 6, 7, 8, 9, 14, 37, 81, 143, 302 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
MATHEMATICA
Do[If[PrimeQ[n^(n+1)+(n+1)^n-n(n+1)], Print[n]], {n, 1000}]
PROG
(PARI) is(n)=ispseudoprime(n^(n+1)+(n+1)^n-n*(n+1)) \\ Charles R Greathouse IV, Jun 12 2017
CROSSREFS
Sequence in context: A039044 A212441 A182783 * A288659 A228374 A092206
KEYWORD
more,nonn
AUTHOR
Farideh Firoozbakht, Jul 13 2003
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 29 05:43 EDT 2024. Contains 371264 sequences. (Running on oeis4.)