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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.

A342633 a(0) = 0, a(1) = 1; a(2*n) = a(n), a(2*n+1) = 3*a(n) + a(n+1).

Table of values

n a(n)
0 0
1 1
2 1
3 4
4 1
5 7
6 4
7 13
8 1
9 10
10 7
11 25
12 4
13 25
14 13
15 40
16 1
17 13
18 10
19 37
20 7
21 46
22 25
23 79
24 4
25 37
26 25
27 88
28 13
29 79
30 40
31 121
32 1
33 16
34 13
35 49
36 10
37 67
38 37
39 118
40 7
41 67
42 46
43 163
44 25
45 154
46 79
47 241
48 4
49 49
50 37
51 136
52 25
53 163
54 88
55 277
56 13
57 118
58 79
59 277
60 40
61 241
62 121
63 364
64 1
65 19
66 16
67 61
68 13
69 88
70 49
71 157

List of values

[0, 1, 1, 4, 1, 7, 4, 13, 1, 10, 7, 25, 4, 25, 13, 40, 1, 13, 10, 37, 7, 46, 25, 79, 4, 37, 25, 88, 13, 79, 40, 121, 1, 16, 13, 49, 10, 67, 37, 118, 7, 67, 46, 163, 25, 154, 79, 241, 4, 49, 37, 136, 25, 163, 88, 277, 13, 118, 79, 277, 40, 241, 121, 364, 1, 19, 16, 61, 13, 88, 49, 157]

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