OFFSET
1,1
COMMENTS
The associated k are in A073499. [R. J. Mathar, Jun 12 2009]
LINKS
Jeppe Stig Nielsen, Table of n, a(n) for n = 1..4
FORMULA
EXAMPLE
2^1+1^2=3. 2^3+3^2=17.
MATHEMATICA
lst={}; Do[p=n^(n+1)+(n+1)^n; If[PrimeQ[p], AppendTo[lst, p]], {n, 2*5!}]; lst
CROSSREFS
KEYWORD
nonn,bref
AUTHOR
Vladimir Joseph Stephan Orlovsky, Jun 10 2009
EXTENSIONS
Definition simplified by R. J. Mathar, Jun 12 2009
STATUS
approved