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.

A226542 Primes p such that p - 1 can be represented as a repdigit number in some base < p which is a power of two.

Table of values

n a(n)
1 11
2 19
3 37
4 43
5 67
6 103
7 131
8 137
9 199
10 239
11 293
12 331
13 397
14 439
15 463
16 521
17 547
18 661
19 683
20 727
21 859
22 911
23 991
24 1033
25 1093
26 1171
27 1291
28 1301
29 1543
30 1549
31 1951
32 2053
33 2081
34 2341
35 2731
36 2861
37 3079
38 3121
39 3251
40 3511
41 3613
42 3823
43 4099
44 4129
45 4229
46 4903
47 5419
48 6151

List of values

[11, 19, 37, 43, 67, 103, 131, 137, 199, 239, 293, 331, 397, 439, 463, 521, 547, 661, 683, 727, 859, 911, 991, 1033, 1093, 1171, 1291, 1301, 1543, 1549, 1951, 2053, 2081, 2341, 2731, 2861, 3079, 3121, 3251, 3511, 3613, 3823, 4099, 4129, 4229, 4903, 5419, 6151]