OFFSET
1,1
COMMENTS
Primes of the form A056788(k)+6, associated with k=2, 3, 6, 9, 126,...
The term a(5) has 265 digits.
EXAMPLE
2^2+3^3+6=37.
MATHEMATICA
f[n_]:=n^n+(n+1)^(n+1)+6; lst={}; Do[If[PrimeQ[f[n]], AppendTo[lst, f[n]]], {n, 2*5!}]; lst
Select[Table[n^n+(n+1)^(n+1)+6, {n, 500}], PrimeQ] (* Harvey P. Dale, Jan 30 2014 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Vladimir Joseph Stephan Orlovsky, Jul 17 2009
EXTENSIONS
Edited by R. J. Mathar, Jul 19 2009
STATUS
approved