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.

A198682 Nonnegative multiples of 3 whose sum of base-3 digits are of the form 3*k+2.

Table of values

n a(n)
1 6
2 12
3 18
4 30
5 36
6 51
7 54
8 69
9 75
10 84
11 90
12 105
13 108
14 123
15 129
16 141
17 147
18 153
19 162
20 177
21 183
22 195
23 201
24 207
25 219
26 225
27 240
28 246
29 252
30 267
31 270
32 285
33 291
34 303
35 309
36 315
37 324
38 339
39 345
40 357
41 363
42 369
43 381
44 387
45 402
46 411
47 417
48 423
49 435
50 441
51 456
52 459
53 474
54 480
55 486

List of values

[6, 12, 18, 30, 36, 51, 54, 69, 75, 84, 90, 105, 108, 123, 129, 141, 147, 153, 162, 177, 183, 195, 201, 207, 219, 225, 240, 246, 252, 267, 270, 285, 291, 303, 309, 315, 324, 339, 345, 357, 363, 369, 381, 387, 402, 411, 417, 423, 435, 441, 456, 459, 474, 480, 486]