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.

A168111 Sum of the partition numbers of the proper divisors of n, with a(1) = 0.

Table of values

n a(n)
1 0
2 1
3 1
4 3
5 1
6 6
7 1
8 8
9 4
10 10
11 1
12 22
13 1
14 18
15 11
16 30
17 1
18 47
19 1
20 57
21 19
22 59
23 1
24 121
25 8
26 104
27 34
28 158
29 1
30 242
31 1
32 261
33 60
34 300
35 23
36 514
37 1
38 493
39 105
40 706
41 1
42 959
43 1
44 1066
45 217
46 1258
47 1
48 1927
49 16
50 2010
51 301
52 2545
53 1
54 3442
55 64
56 3898
57 494
58 4568
59 1
60 6555
61 1
62 6845
63 841
64 8610

List of values

[0, 1, 1, 3, 1, 6, 1, 8, 4, 10, 1, 22, 1, 18, 11, 30, 1, 47, 1, 57, 19, 59, 1, 121, 8, 104, 34, 158, 1, 242, 1, 261, 60, 300, 23, 514, 1, 493, 105, 706, 1, 959, 1, 1066, 217, 1258, 1, 1927, 16, 2010, 301, 2545, 1, 3442, 64, 3898, 494, 4568, 1, 6555, 1, 6845, 841, 8610]