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.

A006288 Loxton-van der Poorten sequence: base-4 representation contains only -1, 0, +1.

Table of values

n a(n)
0 0
1 1
2 3
3 4
4 5
5 11
6 12
7 13
8 15
9 16
10 17
11 19
12 20
13 21
14 43
15 44
16 45
17 47
18 48
19 49
20 51
21 52
22 53
23 59
24 60
25 61
26 63
27 64
28 65
29 67
30 68
31 69
32 75
33 76
34 77
35 79
36 80
37 81
38 83
39 84
40 85
41 171
42 172
43 173
44 175
45 176
46 177
47 179
48 180
49 181
50 187
51 188
52 189
53 191
54 192
55 193
56 195
57 196
58 197
59 203
60 204
61 205
62 207
63 208
64 209

List of values

[0, 1, 3, 4, 5, 11, 12, 13, 15, 16, 17, 19, 20, 21, 43, 44, 45, 47, 48, 49, 51, 52, 53, 59, 60, 61, 63, 64, 65, 67, 68, 69, 75, 76, 77, 79, 80, 81, 83, 84, 85, 171, 172, 173, 175, 176, 177, 179, 180, 181, 187, 188, 189, 191, 192, 193, 195, 196, 197, 203, 204, 205, 207, 208, 209]