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.

A269870 Numbers coprime to the number of their odd divisors.

Table of values

n a(n)
1 1
2 2
3 3
4 4
5 5
6 7
7 8
8 11
9 13
10 15
11 16
12 17
13 19
14 21
15 23
16 25
17 27
18 29
19 31
20 32
21 33
22 35
23 37
24 39
25 41
26 43
27 47
28 49
29 50
30 51
31 53
32 55
33 57
34 59
35 61
36 64
37 65
38 67
39 69
40 71
41 73
42 77
43 79
44 81
45 83
46 85
47 87
48 89
49 91
50 93
51 95
52 97
53 98
54 100
55 101
56 103
57 105
58 107
59 109
60 111
61 113
62 115
63 119
64 121
65 123
66 125
67 127
68 128
69 129
70 131
71 133
72 135
73 137
74 139
75 141
76 143
77 145
78 149
79 151
80 155

List of values

[1, 2, 3, 4, 5, 7, 8, 11, 13, 15, 16, 17, 19, 21, 23, 25, 27, 29, 31, 32, 33, 35, 37, 39, 41, 43, 47, 49, 50, 51, 53, 55, 57, 59, 61, 64, 65, 67, 69, 71, 73, 77, 79, 81, 83, 85, 87, 89, 91, 93, 95, 97, 98, 100, 101, 103, 105, 107, 109, 111, 113, 115, 119, 121, 123, 125, 127, 128, 129, 131, 133, 135, 137, 139, 141, 143, 145, 149, 151, 155]