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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.

A151574 a(0)=1, a(1)=2; a(2^i + j) = a(j) + 2*a(j+1) for 0 <= j < 2^i.

Table of values

n a(n)
0 1
1 2
2 5
3 12
4 5
5 12
6 29
7 22
8 5
9 12
10 29
11 22
12 29
13 70
14 73
15 32
16 5
17 12
18 29
19 22
20 29
21 70
22 73
23 32
24 29
25 70
26 73
27 80
28 169
29 216
30 137
31 42
32 5
33 12
34 29
35 22
36 29
37 70
38 73
39 32
40 29
41 70
42 73
43 80
44 169
45 216
46 137
47 42
48 29
49 70
50 73
51 80
52 169
53 216
54 137
55 90
56 169
57 216
58 233
59 418
60 601
61 490
62 221
63 52
64 5
65 12
66 29
67 22
68 29

List of values

[1, 2, 5, 12, 5, 12, 29, 22, 5, 12, 29, 22, 29, 70, 73, 32, 5, 12, 29, 22, 29, 70, 73, 32, 29, 70, 73, 80, 169, 216, 137, 42, 5, 12, 29, 22, 29, 70, 73, 32, 29, 70, 73, 80, 169, 216, 137, 42, 29, 70, 73, 80, 169, 216, 137, 90, 169, 216, 233, 418, 601, 490, 221, 52, 5, 12, 29, 22, 29]

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