A060263 a(n) = smallest prime q such that precisely n successive primes p starting at q have reciprocals with period p-1 and prevprime(q) is not such a prime.

59, 257, 17, 487, 5737, 23459, 364379, 681899, 4275343, 14747137, 12284017, 61598897, 62232899, 95386019, 824443051, 2245849783

Offset

2,1

Links

Table of n, a(n) for n=2..17.

Crossrefs

Cf. A002371, A048595, A060262.

Sequence in context: A158670 A142046 A142952 * A142481 A140852 A142536

Adjacent sequences: A060260 A060261 A060262 * A060264 A060265 A060266

Keyword

nonn,base,more

Author

Jeff Burch, Mar 23 2001

Extensions

Corrected and extended by Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Apr 21 2003

a(6) onward corrected and title clarified by Sean A. Irvine, Nov 05 2022

Status

approved