OFFSET
1,1
COMMENTS
It appears that primes of this form are much more common than primes of the form m^k+k (A099227).
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..1000
MATHEMATICA
nLim=32000; lst={}; Do[k=2; While[n=m^k-k; n<=nLim, AppendTo[lst, n]; k++ ], {m, 2, Sqrt[nLim]}]; Select[Union[lst], PrimeQ]
CROSSREFS
KEYWORD
nonn
AUTHOR
T. D. Noe, Oct 06 2004
STATUS
approved