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.

A382221 Products of primitive roots when n is 2, 4, p^k, or 2p^k (with p an odd prime), for all other n the value is defined to be 1.

Table of values

n a(n)
1 1
2 1
3 2
4 3
5 6
6 5
7 15
8 1
9 10
10 21
11 672
12 1
13 924
14 15
15 1
16 1
17 11642400
18 55
19 163800
20 1
21 1
22 29393
23 109681110000
24 1
25 64411776
26 21945
27 708400
28 1
29 5590307923200
30 1
31 970377408
32 1
33 1
34 644812245
35 1
36 1
37 134088514560000
38 11756745
39 1
40 1
41 138960660963091968000
42 1

List of values

[1, 1, 2, 3, 6, 5, 15, 1, 10, 21, 672, 1, 924, 15, 1, 1, 11642400, 55, 163800, 1, 1, 29393, 109681110000, 1, 64411776, 21945, 708400, 1, 5590307923200, 1, 970377408, 1, 1, 644812245, 1, 1, 134088514560000, 11756745, 1, 1, 138960660963091968000, 1]