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.

A354038 Numbers k such that sum of the proper divisors of k is a multiple of 4.

Table of values

n a(n)
1 1
2 9
3 10
4 12
5 24
6 26
7 28
8 34
9 44
10 48
11 49
12 56
13 58
14 60
15 74
16 76
17 81
18 82
19 84
20 88
21 90
22 92
23 96
24 106
25 108
26 112
27 120
28 121
29 122
30 124
31 132
32 140
33 146
34 152
35 156
36 168
37 172
38 176
39 178
40 184
41 188
42 192
43 194
44 202
45 204
46 216
47 218
48 220
49 224
50 226
51 228
52 234
53 236
54 240
55 248
56 252
57 260
58 264
59 268
60 274
61 276
62 280
63 284
64 298
65 300
66 304
67 306
68 308

List of values

[1, 9, 10, 12, 24, 26, 28, 34, 44, 48, 49, 56, 58, 60, 74, 76, 81, 82, 84, 88, 90, 92, 96, 106, 108, 112, 120, 121, 122, 124, 132, 140, 146, 152, 156, 168, 172, 176, 178, 184, 188, 192, 194, 202, 204, 216, 218, 220, 224, 226, 228, 234, 236, 240, 248, 252, 260, 264, 268, 274, 276, 280, 284, 298, 300, 304, 306, 308]

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

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