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.

A070525 Numbers n such that n-th cyclotomic polynomial evaluated at phi(n) is a prime number.

Table of values

n a(n)
1 2
2 3
3 4
4 6
5 7
6 8
7 12
8 18
9 21
10 30
11 45
12 48
13 70
14 120
15 127
16 153
17 182
18 204
19 212
20 282
21 318
22 322
23 910
24 1167
25 1177
26 1342
27 1680
28 1963
29 2670
30 4398
31 4655
32 8088
33 8599
34 8808
35 19680

List of values

[2, 3, 4, 6, 7, 8, 12, 18, 21, 30, 45, 48, 70, 120, 127, 153, 182, 204, 212, 282, 318, 322, 910, 1167, 1177, 1342, 1680, 1963, 2670, 4398, 4655, 8088, 8599, 8808, 19680]