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.

A033016 Numbers whose base-3 expansion has no run of digits with length < 2.

Table of values

n a(n)
1 4
2 8
3 13
4 26
5 36
6 40
7 44
8 72
9 76
10 80
11 108
12 117
13 121
14 125
15 134
16 216
17 229
18 234
19 238
20 242
21 324
22 328
23 332
24 351
25 360
26 364
27 368
28 377
29 396
30 400
31 404
32 648
33 652
34 656
35 684
36 688
37 692
38 702
39 715
40 720
41 724
42 728
43 972
44 976
45 980
46 985
47 998
48 1053

List of values

[4, 8, 13, 26, 36, 40, 44, 72, 76, 80, 108, 117, 121, 125, 134, 216, 229, 234, 238, 242, 324, 328, 332, 351, 360, 364, 368, 377, 396, 400, 404, 648, 652, 656, 684, 688, 692, 702, 715, 720, 724, 728, 972, 976, 980, 985, 998, 1053]