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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.

A070324 a(n) = Max( sigma(k) : k=1,2,3,...,n ).

Table of values

n a(n)
1 1
2 3
3 4
4 7
5 7
6 12
7 12
8 15
9 15
10 18
11 18
12 28
13 28
14 28
15 28
16 31
17 31
18 39
19 39
20 42
21 42
22 42
23 42
24 60
25 60
26 60
27 60
28 60
29 60
30 72
31 72
32 72
33 72
34 72
35 72
36 91
37 91
38 91
39 91
40 91
41 91
42 96
43 96
44 96
45 96
46 96
47 96
48 124
49 124
50 124
51 124
52 124
53 124
54 124
55 124
56 124
57 124
58 124
59 124
60 168
61 168
62 168
63 168
64 168
65 168

List of values

[1, 3, 4, 7, 7, 12, 12, 15, 15, 18, 18, 28, 28, 28, 28, 31, 31, 39, 39, 42, 42, 42, 42, 60, 60, 60, 60, 60, 60, 72, 72, 72, 72, 72, 72, 91, 91, 91, 91, 91, 91, 96, 96, 96, 96, 96, 96, 124, 124, 124, 124, 124, 124, 124, 124, 124, 124, 124, 124, 168, 168, 168, 168, 168, 168]

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

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