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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.

A293453 Zumkeller numbers k such that sigma(k)/2 is a Zumkeller number.

Table of values

n a(n)
1 6
2 24
3 28
4 42
5 54
6 56
7 60
8 78
9 84
10 88
11 96
12 102
13 108
14 114
15 120
16 126
17 132
18 140
19 150
20 168
21 174
22 176
23 186
24 198
25 204
26 216
27 220
28 222
29 224
30 228
31 240
32 246
33 252
34 258
35 260
36 264
37 270
38 276
39 280
40 294
41 308
42 312
43 330
44 336
45 340
46 342
47 348
48 350
49 352
50 354
51 366
52 368
53 372
54 378
55 380
56 384
57 390
58 396
59 402

List of values

[6, 24, 28, 42, 54, 56, 60, 78, 84, 88, 96, 102, 108, 114, 120, 126, 132, 140, 150, 168, 174, 176, 186, 198, 204, 216, 220, 222, 224, 228, 240, 246, 252, 258, 260, 264, 270, 276, 280, 294, 308, 312, 330, 336, 340, 342, 348, 350, 352, 354, 366, 368, 372, 378, 380, 384, 390, 396, 402]

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

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