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.

A022826 a(n) = a([ (n+1)/2 ]) + a([ (n+1)/3 ]) + . . . + a([ (n+1)/n ]).

Table of values

n a(n)
0 1
1 1
2 2
3 3
4 5
5 6
6 8
7 10
8 13
9 14
10 18
11 19
12 22
13 26
14 30
15 31
16 37
17 38
18 43
19 47
20 52
21 53
22 60
23 63
24 67
25 72
26 80
27 81
28 91
29 92
30 97
31 103
32 110
33 115
34 124
35 125
36 131
37 136
38 147
39 148
40 162
41 163
42 170
43 181
44 189
45 190
46 201
47 204
48 212
49 220
50 230
51 231
52 246
53 253
54 264
55 271
56 282
57 283

List of values

[1, 1, 2, 3, 5, 6, 8, 10, 13, 14, 18, 19, 22, 26, 30, 31, 37, 38, 43, 47, 52, 53, 60, 63, 67, 72, 80, 81, 91, 92, 97, 103, 110, 115, 124, 125, 131, 136, 147, 148, 162, 163, 170, 181, 189, 190, 201, 204, 212, 220, 230, 231, 246, 253, 264, 271, 282, 283]