A048595 -id:A048595 - cp's OEIS frontend

A212528 The periodic part of the decimal expansion of prime(n-1) / prime(n).

6, 0, 714285, 63, 846153, 7647058823529411, 894736842105263157, 8260869565217391304347, 7931034482758620689655172413, 935483870967741, 837, 90243, 953488372093023255813, 9148936170212765957446808510638297872340425531, 8867924528301

Offset: 2

Jaroslav Krizek, Jun 29 2012

Number of digits of the periodic parts for n>=3 in A002371, A048595 and A071126.

Jaroslav Krizek, Table of n, a(n) for n = 2..60

Cf. A002371, A048595, A071126.

Table[If[n == 3, 0, FromDigits[RealDigits[Prime[n-1]/Prime[n]][[1,1]]]], {n, 2, 10}]

Corrected by T. D. Noe, Jun 29 2012

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.

Original entry on oeis.org

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

Offset: 2

Jeff Burch, Mar 23 2001

Cf. A002371, A048595, A060262.

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

cp's OEIS Frontend

A212528 The periodic part of the decimal expansion of prime(n-1) / prime(n).

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