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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A217611 Primes p such that the octal expansion of 1/p has a unique period length.

Table of values

n a(n)
1 3
2 7
3 19
4 73
5 87211
6 262657
7 18837001
8 77158673929
9 5302306226370307681801
10 19177458387940268116349766612211
11 6113142872404227834840443898241613032969
12 328017025014102923449988663752960080886511412965881

List of values

[3, 7, 19, 73, 87211, 262657, 18837001, 77158673929, 5302306226370307681801, 19177458387940268116349766612211, 6113142872404227834840443898241613032969, 328017025014102923449988663752960080886511412965881]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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