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.

A347394 Positions of 4's in A347381.

Table of values

n a(n)
1 21
2 26
3 30
4 32
5 33
6 36
7 37
8 40
9 42
10 44
11 48
12 49
13 50
14 54
15 60
16 65
17 75
18 80
19 84
20 90
21 91
22 112
23 120
24 125
25 126
26 153
27 162
28 175
29 176
30 198
31 208
32 220
33 231
34 252
35 272
36 275
37 304
38 325
39 343
40 368
41 400
42 425
43 475
44 546
45 575
46 725
47 765
48 775
49 11132
50 12750
51 13167
52 31262
53 46893
54 55660
55 63825
56 78155
57 93500
58 171171
59 191301
60 406406
61 483771
62 609609

List of values

[21, 26, 30, 32, 33, 36, 37, 40, 42, 44, 48, 49, 50, 54, 60, 65, 75, 80, 84, 90, 91, 112, 120, 125, 126, 153, 162, 175, 176, 198, 208, 220, 231, 252, 272, 275, 304, 325, 343, 368, 400, 425, 475, 546, 575, 725, 765, 775, 11132, 12750, 13167, 31262, 46893, 55660, 63825, 78155, 93500, 171171, 191301, 406406, 483771, 609609]