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.

A022825 a(n) = a([ n/2 ]) + a([ n/3 ]) + . . . + a([ n/n ]) for n > 1, a(1) = 1.

Table of values

n a(n)
1 1
2 1
3 2
4 3
5 4
6 6
7 7
8 9
9 11
10 13
11 14
12 19
13 20
14 22
15 25
16 29
17 30
18 36
19 37
20 42
21 45
22 47
23 48
24 60
25 62
26 64
27 68
28 73
29 74
30 84
31 85
32 93
33 96
34 98
35 101
36 119
37 120
38 122
39 125
40 137
41 138
42 148
43 149
44 154
45 162
46 164
47 165
48 193
49 195
50 201
51 204
52 209
53 210
54 226
55 229
56 241
57 244
58 246
59 247
60 278
61 279

List of values

[1, 1, 2, 3, 4, 6, 7, 9, 11, 13, 14, 19, 20, 22, 25, 29, 30, 36, 37, 42, 45, 47, 48, 60, 62, 64, 68, 73, 74, 84, 85, 93, 96, 98, 101, 119, 120, 122, 125, 137, 138, 148, 149, 154, 162, 164, 165, 193, 195, 201, 204, 209, 210, 226, 229, 241, 244, 246, 247, 278, 279]