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.

A110108 Conjectured values of n such that sigma(n)+sigma(k)=sigma(n+k) has no solution.

Table of values

n a(n)
1 3
2 9
3 15
4 21
5 27
6 39
7 57
8 63
9 81
10 93
11 105
12 117
13 165
14 171
15 183
16 189
17 201
18 219
19 225
20 243
21 256
22 279
23 303
24 309
25 333
26 351
27 363
28 375
29 381
30 387
31 405
32 417
33 441
34 453
35 471
36 489
37 512
38 543
39 549
40 567
41 579
42 603
43 633
44 651
45 657
46 669
47 687
48 693
49 723
50 729
51 741
52 777

List of values

[3, 9, 15, 21, 27, 39, 57, 63, 81, 93, 105, 117, 165, 171, 183, 189, 201, 219, 225, 243, 256, 279, 303, 309, 333, 351, 363, 375, 381, 387, 405, 417, 441, 453, 471, 489, 512, 543, 549, 567, 579, 603, 633, 651, 657, 669, 687, 693, 723, 729, 741, 777]