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.

A086665 Difference between sum of divisors of n and integer log of n, i.e., A000203(n) - A001414(n).

Table of values

n a(n)
1 1
2 1
3 1
4 3
5 1
6 7
7 1
8 9
9 7
10 11
11 1
12 21
13 1
14 15
15 16
16 23
17 1
18 31
19 1
20 33
21 22
22 23
23 1
24 51
25 21
26 27
27 31
28 45
29 1
30 62
31 1
32 53
33 34
34 35
35 36
36 81
37 1
38 39
39 40
40 79
41 1
42 84
43 1
44 69
45 67
46 47
47 1
48 113
49 43
50 81
51 52
52 81
53 1
54 109
55 56
56 107
57 58
58 59
59 1
60 156
61 1
62 63
63 91
64 115
65 66
66 128
67 1
68 105
69 70
70 130
71 1
72 183
73 1
74 75
75 111
76 117
77 78
78 150
79 1
80 173
81 109
82 83

List of values

[1, 1, 1, 3, 1, 7, 1, 9, 7, 11, 1, 21, 1, 15, 16, 23, 1, 31, 1, 33, 22, 23, 1, 51, 21, 27, 31, 45, 1, 62, 1, 53, 34, 35, 36, 81, 1, 39, 40, 79, 1, 84, 1, 69, 67, 47, 1, 113, 43, 81, 52, 81, 1, 109, 56, 107, 58, 59, 1, 156, 1, 63, 91, 115, 66, 128, 1, 105, 70, 130, 1, 183, 1, 75, 111, 117, 78, 150, 1, 173, 109, 83]