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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.

A318313 Numerators of the sequence whose Dirichlet convolution with itself yields A068068, number of odd unitary divisors of n.

Table of values

n a(n)
1 1
2 1
3 1
4 3
5 1
6 1
7 1
8 5
9 1
10 1
11 1
12 3
13 1
14 1
15 1
16 35
17 1
18 1
19 1
20 3
21 1
22 1
23 1
24 5
25 1
26 1
27 1
28 3
29 1
30 1
31 1
32 63
33 1
34 1
35 1
36 3
37 1
38 1
39 1
40 5
41 1
42 1
43 1
44 3
45 1
46 1
47 1
48 35
49 1
50 1
51 1
52 3
53 1
54 1
55 1
56 5
57 1
58 1
59 1
60 3
61 1
62 1
63 1
64 231
65 1
66 1
67 1
68 3
69 1
70 1
71 1
72 5
73 1
74 1
75 1
76 3
77 1
78 1
79 1
80 35
81 3
82 1
83 1
84 3
85 1
86 1
87 1
88 5
89 1
90 1
91 1
92 3
93 1
94 1
95 1
96 63
97 1
98 1
99 1
100 3
101 1
102 1
103 1
104 5
105 1

List of values

[1, 1, 1, 3, 1, 1, 1, 5, 1, 1, 1, 3, 1, 1, 1, 35, 1, 1, 1, 3, 1, 1, 1, 5, 1, 1, 1, 3, 1, 1, 1, 63, 1, 1, 1, 3, 1, 1, 1, 5, 1, 1, 1, 3, 1, 1, 1, 35, 1, 1, 1, 3, 1, 1, 1, 5, 1, 1, 1, 3, 1, 1, 1, 231, 1, 1, 1, 3, 1, 1, 1, 5, 1, 1, 1, 3, 1, 1, 1, 35, 3, 1, 1, 3, 1, 1, 1, 5, 1, 1, 1, 3, 1, 1, 1, 63, 1, 1, 1, 3, 1, 1, 1, 5, 1]