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.

A145204 Numbers whose representation in base 3 (A007089) ends in an odd number of zeros.

Table of values

n a(n)
1 0
2 3
3 6
4 12
5 15
6 21
7 24
8 27
9 30
10 33
11 39
12 42
13 48
14 51
15 54
16 57
17 60
18 66
19 69
20 75
21 78
22 84
23 87
24 93
25 96
26 102
27 105
28 108
29 111
30 114
31 120
32 123
33 129
34 132
35 135
36 138
37 141
38 147
39 150
40 156
41 159
42 165
43 168
44 174
45 177
46 183
47 186
48 189
49 192
50 195
51 201
52 204
53 210
54 213
55 216
56 219
57 222
58 228
59 231

List of values

[0, 3, 6, 12, 15, 21, 24, 27, 30, 33, 39, 42, 48, 51, 54, 57, 60, 66, 69, 75, 78, 84, 87, 93, 96, 102, 105, 108, 111, 114, 120, 123, 129, 132, 135, 138, 141, 147, 150, 156, 159, 165, 168, 174, 177, 183, 186, 189, 192, 195, 201, 204, 210, 213, 216, 219, 222, 228, 231]