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.

A249047 Self-numbers (A003052) that are not divisible by 3.

Table of values

n a(n)
1 1
2 5
3 7
4 20
5 31
6 53
7 64
8 86
9 97
10 110
11 121
12 143
13 154
14 176
15 187
16 209
17 211
18 233
19 244
20 266
21 277
22 299
23 310
24 323
25 334
26 356
27 367
28 389
29 400
30 413
31 424
32 446
33 457
34 479
35 490
36 512
37 514
38 536
39 547
40 569
41 580
42 602
43 613
44 626
45 637
46 659
47 670
48 692
49 703
50 716

List of values

[1, 5, 7, 20, 31, 53, 64, 86, 97, 110, 121, 143, 154, 176, 187, 209, 211, 233, 244, 266, 277, 299, 310, 323, 334, 356, 367, 389, 400, 413, 424, 446, 457, 479, 490, 512, 514, 536, 547, 569, 580, 602, 613, 626, 637, 659, 670, 692, 703, 716]