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.

A037291 Number of rings with 1 containing n elements.

Table of values

n a(n)
1 1
2 1
3 1
4 4
5 1
6 1
7 1
8 11
9 4
10 1
11 1
12 4
13 1
14 1
15 1
16 50
17 1
18 4
19 1
20 4
21 1
22 1
23 1
24 11
25 4
26 1
27 12
28 4
29 1
30 1
31 1
32 208
33 1
34 1
35 1
36 16
37 1
38 1
39 1
40 11
41 1
42 1
43 1
44 4
45 4
46 1
47 1
48 50
49 4
50 4
51 1
52 4
53 1
54 12
55 1
56 11
57 1
58 1
59 1
60 4
61 1
62 1
63 4

List of values

[1, 1, 1, 4, 1, 1, 1, 11, 4, 1, 1, 4, 1, 1, 1, 50, 1, 4, 1, 4, 1, 1, 1, 11, 4, 1, 12, 4, 1, 1, 1, 208, 1, 1, 1, 16, 1, 1, 1, 11, 1, 1, 1, 4, 4, 1, 1, 50, 4, 4, 1, 4, 1, 12, 1, 11, 1, 1, 1, 4, 1, 1, 4]