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.

A005114 Untouchable numbers, also called nonaliquot numbers: impossible values for the sum of aliquot parts function (A001065).

Table of values

n a(n)
1 2
2 5
3 52
4 88
5 96
6 120
7 124
8 146
9 162
10 188
11 206
12 210
13 216
14 238
15 246
16 248
17 262
18 268
19 276
20 288
21 290
22 292
23 304
24 306
25 322
26 324
27 326
28 336
29 342
30 372
31 406
32 408
33 426
34 430
35 448
36 472
37 474
38 498
39 516
40 518
41 520
42 530
43 540
44 552
45 556
46 562
47 576
48 584
49 612
50 624
51 626
52 628
53 658

List of values

[2, 5, 52, 88, 96, 120, 124, 146, 162, 188, 206, 210, 216, 238, 246, 248, 262, 268, 276, 288, 290, 292, 304, 306, 322, 324, 326, 336, 342, 372, 406, 408, 426, 430, 448, 472, 474, 498, 516, 518, 520, 530, 540, 552, 556, 562, 576, 584, 612, 624, 626, 628, 658]

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

Content is available under The OEIS End-User License Agreement.