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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.

A345284 a(n) = Sum_{p|n, p prime} (p #).

Table of values

n a(n)
1 0
2 2
3 6
4 2
5 30
6 8
7 210
8 2
9 6
10 32
11 2310
12 8
13 30030
14 212
15 36
16 2
17 510510
18 8
19 9699690
20 32
21 216
22 2312
23 223092870
24 8
25 30
26 30032
27 6
28 212
29 6469693230
30 38
31 200560490130
32 2
33 2316
34 510512
35 240
36 8
37 7420738134810
38 9699692
39 30036
40 32
41 304250263527210
42 218
43 13082761331670030
44 2312
45 36

List of values

[0, 2, 6, 2, 30, 8, 210, 2, 6, 32, 2310, 8, 30030, 212, 36, 2, 510510, 8, 9699690, 32, 216, 2312, 223092870, 8, 30, 30032, 6, 212, 6469693230, 38, 200560490130, 2, 2316, 510512, 240, 8, 7420738134810, 9699692, 30036, 32, 304250263527210, 218, 13082761331670030, 2312, 36]

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

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