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.

A274049 Numbers k such that sum of anti-divisors of k is palindromic.

Table of values

n a(n)
1 1
2 2
3 3
4 4
5 5
6 6
7 8
8 9
9 21
10 40
11 42
12 53
13 76
14 84
15 127
16 137
17 143
18 150
19 163
20 173
21 177
22 199
23 208
24 211
25 229
26 236
27 242
28 249
29 252
30 255
31 273
32 277
33 288
34 289
35 298
36 316
37 320
38 321
39 323
40 329
41 332
42 334
43 335
44 336
45 351
46 372
47 401
48 411
49 419
50 431
51 434
52 437
53 467
54 475
55 477
56 485
57 489
58 497

List of values

[1, 2, 3, 4, 5, 6, 8, 9, 21, 40, 42, 53, 76, 84, 127, 137, 143, 150, 163, 173, 177, 199, 208, 211, 229, 236, 242, 249, 252, 255, 273, 277, 288, 289, 298, 316, 320, 321, 323, 329, 332, 334, 335, 336, 351, 372, 401, 411, 419, 431, 434, 437, 467, 475, 477, 485, 489, 497]