A133433 Records in A133432.

3, 7, 23, 41, 71, 313, 643, 4111, 53173, 107227, 533821, 1373989, 2494381, 95525767, 823766851, 4348468741, 226547941621, 596653488817, 5260410488191

Offset

1,1

Comments

Also with an initial 2, records in A023048. The next term, which exceeds 10^14, is A023048(108) if it is not 0 (i.e., if there does exist a prime whose smallest primitive root is 108, then it is larger than 10^14). - Jianing Song, Aug 01 2018

Links

Table of n, a(n) for n=1..19.

Tomás Oliveira e Silva, Least primitive root of prime numbers

Crossrefs

Cf. A023048, A133432.

Sequence in context: A135570 A053027 A133432 * A029932 A084739 A133434

Adjacent sequences: A133430 A133431 A133432 * A133434 A133435 A133436

Keyword

nonn,hard,more

Author

N. J. A. Sloane, Nov 29 2007

Status

approved