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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.

A216365 Numbers n such that tau(n)*sigma(n) sets a new record.

Table of values

n a(n)
1 1
2 2
3 3
4 4
5 6
6 8
7 10
8 12
9 18
10 20
11 24
12 30
13 36
14 48
15 60
16 72
17 84
18 90
19 96
20 108
21 120
22 144
23 168
24 180
25 240
26 300
27 336
28 360
29 420
30 480
31 504
32 540
33 600
34 630
35 660
36 720
37 840
38 1008
39 1080
40 1200
41 1260
42 1440
43 1680
44 2100
45 2160
46 2520
47 3360
48 3780
49 3960
50 4200
51 4320
52 4620
53 4680
54 5040

List of values

[1, 2, 3, 4, 6, 8, 10, 12, 18, 20, 24, 30, 36, 48, 60, 72, 84, 90, 96, 108, 120, 144, 168, 180, 240, 300, 336, 360, 420, 480, 504, 540, 600, 630, 660, 720, 840, 1008, 1080, 1200, 1260, 1440, 1680, 2100, 2160, 2520, 3360, 3780, 3960, 4200, 4320, 4620, 4680, 5040]

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

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