A127809 - OEIS

%I #6 Oct 11 2017 17:52:15

%S 2,2,3,2,2,3,2,5,2,3,2,6,3,5,2,2,2,2,7,5,3,2,3,5,2,5,2,6,3,3,2,3,2,2,

%T 6,5,2,5,2,2,2,19,5,2,3,2,3,2,6,3,7,7,6,3,5,2,6,5,3,3,2,5,17,10,2,3,

%U 10,2,2,3,7,6,2,2,5,2,5,3,21,2,2,7,5,15,2,3,13,2,3,2,13,3,2,7,5,2,3,2,2

%N Least positive primitive root of (n-th prime)^4.

%t << NumberTheory`NumberTheoryFunctions` Table[PrimitiveRoot[(Prime[n])^4], {n, 2, 100}]

%t Table[PrimitiveRoot[Prime[n]^4],{n,2,100}] (* Primitive Root is now part of the core functions in Mathematica *) (* _Harvey P. Dale_, Oct 11 2017 *)

%Y Cf. A001918, A127807, A127808, A127810.

%K nonn

%O 2,1

%A _Artur Jasinski_, Jan 29 2007