1,1

A082815 the same for prime numbers only.

Table of n, a(n) for n=1..12.

26762 = 29^2 + 161^2 has 29 as least primitive root.

Cf. A001481, A082843, A082815.

Sequence in context: A296308 A018603 A018615 * A018648 A018670 A018704

Adjacent sequences: A082839 A082840 A082841 * A082843 A082844 A082845

nonn,more

Sven Simon, May 24 2003

Offset 1 from Michel Marcus, Oct 31 2018

approved