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.

A385047 The sum of the unitary divisors of n that are powers of 2.

Table of values

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

List of values

[1, 3, 1, 5, 1, 3, 1, 9, 1, 3, 1, 5, 1, 3, 1, 17, 1, 3, 1, 5, 1, 3, 1, 9, 1, 3, 1, 5, 1, 3, 1, 33, 1, 3, 1, 5, 1, 3, 1, 9, 1, 3, 1, 5, 1, 3, 1, 17, 1, 3, 1, 5, 1, 3, 1, 9, 1, 3, 1, 5, 1, 3, 1, 65, 1, 3, 1, 5, 1, 3, 1, 9, 1, 3, 1, 5, 1, 3, 1, 17, 1, 3, 1, 5, 1, 3]