2,1

Table of n, a(n) for n=2..98.

P. D. T. A. Elliott and L. Murata, The least primitive root mod 2*p^2, Mathematika, 45 (1998), 371-379.

with(numtheory): A084538 := n-> primroot(2*ithprime(n)^2);

Sequence in context: A337571 A244683 A263157 * A263492 A335765 A276759

Adjacent sequences: A084535 A084536 A084537 * A084539 A084540 A084541

nonn

N. J. A. Sloane, Jun 30 2003

approved