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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.

A326812 Expansion of Sum_{k>=1} (2^k - 1) * x^(2^k - 1) / (1 - x^(2^k - 1)).

Table of values

n a(n)
1 1
2 1
3 4
4 1
5 1
6 4
7 8
8 1
9 4
10 1
11 1
12 4
13 1
14 8
15 19
16 1
17 1
18 4
19 1
20 1
21 11
22 1
23 1
24 4
25 1
26 1
27 4
28 8
29 1
30 19
31 32
32 1
33 4
34 1
35 8
36 4
37 1
38 1
39 4
40 1
41 1
42 11
43 1
44 1
45 19
46 1
47 1
48 4
49 8
50 1
51 4
52 1
53 1
54 4
55 1
56 8
57 4
58 1
59 1
60 19
61 1
62 32
63 74
64 1
65 1
66 4
67 1
68 1
69 4
70 8
71 1
72 4
73 1
74 1
75 19
76 1
77 8
78 4
79 1
80 1
81 4
82 1
83 1
84 11
85 1

List of values

[1, 1, 4, 1, 1, 4, 8, 1, 4, 1, 1, 4, 1, 8, 19, 1, 1, 4, 1, 1, 11, 1, 1, 4, 1, 1, 4, 8, 1, 19, 32, 1, 4, 1, 8, 4, 1, 1, 4, 1, 1, 11, 1, 1, 19, 1, 1, 4, 8, 1, 4, 1, 1, 4, 1, 8, 4, 1, 1, 19, 1, 32, 74, 1, 1, 4, 1, 1, 4, 8, 1, 4, 1, 1, 19, 1, 8, 4, 1, 1, 4, 1, 1, 11, 1]