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.

A020243 Strong pseudoprimes to base 17.

Table of values

n a(n)
1 9
2 91
3 145
4 781
5 1111
6 2821
7 4033
8 4187
9 5365
10 5833
11 6697
12 7171
13 15805
14 19729
15 21781
16 22791
17 24211
18 26245
19 31621
20 33001
21 33227
22 34441
23 35371
24 38081
25 42127
26 49771
27 71071
28 74665
29 77293
30 78881
31 88831
32 96433
33 97921
34 98671
35 101101
36 102311
37 125563
38 129493

List of values

[9, 91, 145, 781, 1111, 2821, 4033, 4187, 5365, 5833, 6697, 7171, 15805, 19729, 21781, 22791, 24211, 26245, 31621, 33001, 33227, 34441, 35371, 38081, 42127, 49771, 71071, 74665, 77293, 78881, 88831, 96433, 97921, 98671, 101101, 102311, 125563, 129493]