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.

A023196 Nondeficient numbers: numbers k such that sigma(k) >= 2k; union of A000396 and A005101.

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 70
17 72
18 78
19 80
20 84
21 88
22 90
23 96
24 100
25 102
26 104
27 108
28 112
29 114
30 120
31 126
32 132
33 138
34 140
35 144
36 150
37 156
38 160
39 162
40 168
41 174
42 176
43 180
44 186
45 192
46 196
47 198
48 200
49 204
50 208
51 210
52 216
53 220
54 222
55 224
56 228
57 234
58 240
59 246
60 252

List of values

[6, 12, 18, 20, 24, 28, 30, 36, 40, 42, 48, 54, 56, 60, 66, 70, 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]

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

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