A133433 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give

A133433

Records in A133432.

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

(list; graph; refs; listen; history; text; internal format)

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