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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.

A379362 Denominators of the partial alternating sums of the reciprocals of the number of abelian groups function (A000688).

Table of values

n a(n)
1 1
2 1
3 1
4 2
5 2
6 2
7 2
8 6
9 3
10 3
11 3
12 6
13 6
14 6
15 6
16 30
17 30
18 15
19 15
20 30
21 30
22 30
23 30
24 30
25 15
26 15
27 15
28 30
29 30
30 30
31 30
32 210
33 210
34 210
35 210
36 420
37 420
38 420
39 420
40 420
41 420
42 420
43 420
44 420
45 420
46 420
47 420
48 420
49 420
50 420
51 420
52 420
53 420
54 140
55 140
56 420
57 420
58 420
59 420
60 420
61 420
62 420

List of values

[1, 1, 1, 2, 2, 2, 2, 6, 3, 3, 3, 6, 6, 6, 6, 30, 30, 15, 15, 30, 30, 30, 30, 30, 15, 15, 15, 30, 30, 30, 30, 210, 210, 210, 210, 420, 420, 420, 420, 420, 420, 420, 420, 420, 420, 420, 420, 420, 420, 420, 420, 420, 420, 140, 140, 420, 420, 420, 420, 420, 420, 420]

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

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