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.

A331828 Numbers k such that the divisors of k form an addition chain.

Table of values

n a(n)
1 1
2 2
3 4
4 6
5 8
6 12
7 16
8 18
9 20
10 24
11 30
12 32
13 36
14 40
15 42
16 48
17 54
18 60
19 64
20 72
21 80
22 84
23 90
24 96
25 100
26 108
27 120
28 126
29 128
30 140
31 144
32 150
33 156
34 160
35 162
36 168
37 180
38 192
39 198
40 200
41 210
42 216
43 220
44 240
45 252
46 256
47 264
48 270
49 272
50 280
51 288
52 294
53 300
54 312
55 320
56 324
57 330
58 336
59 342
60 360

List of values

[1, 2, 4, 6, 8, 12, 16, 18, 20, 24, 30, 32, 36, 40, 42, 48, 54, 60, 64, 72, 80, 84, 90, 96, 100, 108, 120, 126, 128, 140, 144, 150, 156, 160, 162, 168, 180, 192, 198, 200, 210, 216, 220, 240, 252, 256, 264, 270, 272, 280, 288, 294, 300, 312, 320, 324, 330, 336, 342, 360]

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

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