Primes for which the smallest positive primitive root is odd and nonprime.
2, 409, 439, 3631, 4441, 4657, 8681, 12841, 15889, 16633, 21559, 22751, 28393, 30091, 30937, 32257, 32353, 33811, 33871, 36793, 36871, 41809, 41851, 42193, 46649, 48673, 51631, 55921, 58237, 59053, 59497, 60889, 63691, 64609, 71011
1,1
(PARI) forprime(n=1, 100000, if((-1)^(lift(znprimroot(n))*(1-isprime(lift(znprimroot(n)))))==-1, print1(n, ", ")))
easy,nonn
Benoit Cloitre (abcloitre(AT)wanadoo.fr), May 09 2002
approved