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.

A020307 Strong pseudoprimes to base 81.

Table of values

n a(n)
1 91
2 121
3 511
4 671
5 703
6 949
7 1387
8 1541
9 1729
10 1891
11 2701
12 2821
13 3281
14 3367
15 3751
16 5551
17 6643
18 7381
19 8401
20 8695
21 8911
22 10585
23 11011
24 12403
25 12991
26 14383
27 15203
28 15251
29 15841
30 15863
31 16471
32 16531
33 18721
34 19345
35 23521
36 24661
37 24727
38 26335
39 28009
40 29341

List of values

[91, 121, 511, 671, 703, 949, 1387, 1541, 1729, 1891, 2701, 2821, 3281, 3367, 3751, 5551, 6643, 7381, 8401, 8695, 8911, 10585, 11011, 12403, 12991, 14383, 15203, 15251, 15841, 15863, 16471, 16531, 18721, 19345, 23521, 24661, 24727, 26335, 28009, 29341]