cp's OEIS Frontend

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.

A293661 Base-8 circular primes that are not base-8 repunits.

Table of values

n a(n)
1 13
2 29
3 31
4 41
5 43
6 47
7 59
8 61
9 607
10 719
11 751
12 761
13 971
14 1021
15 1657
16 1759
17 1787
18 1913
19 1993
20 2011
21 2687
22 3019
23 3659
24 3673
25 3677
26 3803
27 3919
28 4073
29 49103
30 56299
31 62207
32 105341
33 130681
34 177007
35 188249
36 195277
37 235513
38 237151
39 251501
40 259019
41 4127707
42 6807419

List of values

[13, 29, 31, 41, 43, 47, 59, 61, 607, 719, 751, 761, 971, 1021, 1657, 1759, 1787, 1913, 1993, 2011, 2687, 3019, 3659, 3673, 3677, 3803, 3919, 4073, 49103, 56299, 62207, 105341, 130681, 177007, 188249, 195277, 235513, 237151, 251501, 259019, 4127707, 6807419]

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

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