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.

A005835 Pseudoperfect (or semiperfect) numbers n: some subset of the proper divisors of n sums to n.

Table of values

n a(n)
1 6
2 12
3 18
4 20
5 24
6 28
7 30
8 36
9 40
10 42
11 48
12 54
13 56
14 60
15 66
16 72
17 78
18 80
19 84
20 88
21 90
22 96
23 100
24 102
25 104
26 108
27 112
28 114
29 120
30 126
31 132
32 138
33 140
34 144
35 150
36 156
37 160
38 162
39 168
40 174
41 176
42 180
43 186
44 192
45 196
46 198
47 200
48 204
49 208
50 210
51 216
52 220
53 222
54 224
55 228
56 234
57 240
58 246
59 252
60 258
61 260
62 264

List of values

[6, 12, 18, 20, 24, 28, 30, 36, 40, 42, 48, 54, 56, 60, 66, 72, 78, 80, 84, 88, 90, 96, 100, 102, 104, 108, 112, 114, 120, 126, 132, 138, 140, 144, 150, 156, 160, 162, 168, 174, 176, 180, 186, 192, 196, 198, 200, 204, 208, 210, 216, 220, 222, 224, 228, 234, 240, 246, 252, 258, 260, 264]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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