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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.

A070172 Smallest k such that sigma(k) >= n.

Table of values

n a(n)
1 1
2 2
3 2
4 3
5 4
6 4
7 4
8 6
9 6
10 6
11 6
12 6
13 8
14 8
15 8
16 10
17 10
18 10
19 12
20 12
21 12
22 12
23 12
24 12
25 12
26 12
27 12
28 12
29 16
30 16
31 16
32 18
33 18
34 18
35 18
36 18
37 18
38 18
39 18
40 20
41 20
42 20
43 24
44 24
45 24
46 24
47 24
48 24
49 24
50 24
51 24
52 24
53 24
54 24
55 24
56 24
57 24
58 24
59 24
60 24
61 30
62 30
63 30
64 30
65 30
66 30
67 30
68 30
69 30
70 30
71 30
72 30
73 36
74 36

List of values

[1, 2, 2, 3, 4, 4, 4, 6, 6, 6, 6, 6, 8, 8, 8, 10, 10, 10, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 16, 16, 16, 18, 18, 18, 18, 18, 18, 18, 18, 20, 20, 20, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 36, 36]

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

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