A261438 a(n) is the smallest prime having exactly n consecutive primitive roots.

2, 5, 11, 37, 53, 89, 83, 347, 269, 563, 467, 1187, 1907, 4007, 1559, 8363, 7727, 6803, 20327, 45119, 10559, 35279, 116639, 68903, 136223, 217367, 38639, 416387, 250799, 616103, 1308863, 998423, 661049, 4201073, 618719, 1815707, 4446119, 20227133, 701399

Offset

1,1

Comments

Sequence is not monotonic.

a(49) = 71369489, a(51) = 17635679, a(57) = 48796439 and a(59) = 75720089.

a(48) > 10^8. - Hiroaki Yamanouchi, Aug 22 2015

Links

Hiroaki Yamanouchi, Table of n, a(n) for n = 1..47

Crossrefs

Cf. A261388.

See A268397 for another version.

Sequence in context: A112600 A156014 A268397 * A092298 A074497 A131581

Adjacent sequences: A261435 A261436 A261437 * A261439 A261440 A261441

Keyword

nonn

Author

Joerg Arndt, Aug 18 2015

Extensions

a(23)-a(39) from Hiroaki Yamanouchi, Aug 22 2015

Status

approved