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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.

A107753 Number of primitive subsets of the n-th roots of unity summing to zero.

Table of values

n a(n)
1 1
2 2
3 2
4 3
5 2
6 6
7 2
8 5
9 4
10 8
11 2
12 11
13 2
14 10
15 9
16 9
17 2
18 16
19 2
20 15
21 11
22 14
23 2
24 21
25 6
26 16
27 10
28 19
29 2
30 212
31 2
32 17
33 15
34 20
35 13
36 31
37 2
38 22
39 17
40 29
41 2

List of values

[1, 2, 2, 3, 2, 6, 2, 5, 4, 8, 2, 11, 2, 10, 9, 9, 2, 16, 2, 15, 11, 14, 2, 21, 6, 16, 10, 19, 2, 212, 2, 17, 15, 20, 13, 31, 2, 22, 17, 29, 2]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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