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.

A305878 For any number n >= 0: apply the map 0 -> "0", 1 -> "01", 2 -> "011" to the ternary representation of n and interpret the result as a binary string.

Table of values

n a(n)
0 0
1 1
2 3
3 2
4 5
5 11
6 6
7 13
8 27
9 4
10 9
11 19
12 10
13 21
14 43
15 22
16 45
17 91
18 12
19 25
20 51
21 26
22 53
23 107
24 54
25 109
26 219
27 8
28 17
29 35
30 18
31 37
32 75
33 38
34 77
35 155
36 20
37 41
38 83
39 42
40 85
41 171
42 86
43 173
44 347
45 44
46 89
47 179
48 90
49 181
50 363
51 182
52 365
53 731
54 24
55 49
56 99
57 50
58 101
59 203
60 102
61 205
62 411

List of values

[0, 1, 3, 2, 5, 11, 6, 13, 27, 4, 9, 19, 10, 21, 43, 22, 45, 91, 12, 25, 51, 26, 53, 107, 54, 109, 219, 8, 17, 35, 18, 37, 75, 38, 77, 155, 20, 41, 83, 42, 85, 171, 86, 173, 347, 44, 89, 179, 90, 181, 363, 182, 365, 731, 24, 49, 99, 50, 101, 203, 102, 205, 411]