1,1
Table of n, a(n) for n=1..6.
a={}; Do[p=(4^n+5^n)/9; If[PrimeQ[p], AppendTo[a, p]], {n, 1, 12^2}]; a
Select[Table[(4^n+5^n)/9, {n, 160}], PrimeQ] (* Harvey P. Dale, Oct 22 2011 *)
Cf. A128335.
Sequence in context: A227994 A142832 A277989 * A107121 A101734 A059025
Adjacent sequences: A138953 A138954 A138955 * A138957 A138958 A138959
nonn
Vladimir Joseph Stephan Orlovsky, May 16 2008
approved
