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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.

A079526 a(n) = floor( exp(H_n)*log(H_n) ) - sigma(n).

Table of values

n a(n)
1 -1
2 -2
3 -1
4 -2
5 2
6 -2
7 4
8 0
9 4
10 2
11 10
12 -3
13 13
14 6
15 9
16 4
17 20
18 2
19 23
20 4
21 17
22 16
23 31
24 -3
25 29
26 21
27 26
28 13
29 42
30 3
31 46
32 18
33 36
34 32
35 41
36 1
37 57
38 38
39 45
40 14
41 65
42 14
43 69
44 32
45 41
46 51
47 78
48 5
49 75
50 42
51 66
52 43
53 90
54 27
55 78
56 33
57 76
58 70
59 103
60 -2
61 107
62 76
63 71
64 51
65 98
66 41
67 120
68 65
69 98
70 53

List of values

[-1, -2, -1, -2, 2, -2, 4, 0, 4, 2, 10, -3, 13, 6, 9, 4, 20, 2, 23, 4, 17, 16, 31, -3, 29, 21, 26, 13, 42, 3, 46, 18, 36, 32, 41, 1, 57, 38, 45, 14, 65, 14, 69, 32, 41, 51, 78, 5, 75, 42, 66, 43, 90, 27, 78, 33, 76, 70, 103, -2, 107, 76, 71, 51, 98, 41, 120, 65, 98, 53]

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