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.

A378541 Practical numbers whose sum of divisors is even.

Table of values

n a(n)
1 6
2 12
3 20
4 24
5 28
6 30
7 40
8 42
9 48
10 54
11 56
12 60
13 66
14 78
15 80
16 84
17 88
18 90
19 96
20 104
21 108
22 112
23 120
24 126
25 132
26 140
27 150
28 156
29 160
30 168
31 176
32 180
33 192
34 198
35 204
36 208
37 210
38 216
39 220
40 224
41 228
42 234
43 240
44 252
45 260
46 264
47 270
48 272
49 276
50 280
51 294
52 300
53 304
54 306
55 308
56 312
57 320
58 330
59 336
60 340
61 342
62 348
63 352
64 360
65 364
66 368
67 378
68 380

List of values

[6, 12, 20, 24, 28, 30, 40, 42, 48, 54, 56, 60, 66, 78, 80, 84, 88, 90, 96, 104, 108, 112, 120, 126, 132, 140, 150, 156, 160, 168, 176, 180, 192, 198, 204, 208, 210, 216, 220, 224, 228, 234, 240, 252, 260, 264, 270, 272, 276, 280, 294, 300, 304, 306, 308, 312, 320, 330, 336, 340, 342, 348, 352, 360, 364, 368, 378, 380]

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

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