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.

A272211 Product of n-th prime and the sum of the divisors of n.

Table of values

n a(n)
1 2
2 9
3 20
4 49
5 66
6 156
7 136
8 285
9 299
10 522
11 372
12 1036
13 574
14 1032
15 1128
16 1643
17 1062
18 2379
19 1340
20 2982
21 2336
22 2844
23 1992
24 5340
25 3007
26 4242
27 4120
28 5992
29 3270
30 8136
31 4064
32 8253
33 6576
34 7506
35 7152
36 13741
37 5966
38 9780
39 9352
40 15570
41 7518
42 17376
43 8404
44 16212
45 15366
46 14328
47 10128
48 27652
49 12939
50 21297
51 16776
52 23422

List of values

[2, 9, 20, 49, 66, 156, 136, 285, 299, 522, 372, 1036, 574, 1032, 1128, 1643, 1062, 2379, 1340, 2982, 2336, 2844, 1992, 5340, 3007, 4242, 4120, 5992, 3270, 8136, 4064, 8253, 6576, 7506, 7152, 13741, 5966, 9780, 9352, 15570, 7518, 17376, 8404, 16212, 15366, 14328, 10128, 27652, 12939, 21297, 16776, 23422]

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

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