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.

A099248 Numbers such that length in binary representation and number of ones have a common divisor greater than 1.

Table of values

n a(n)
1 3
2 7
3 9
4 10
5 12
6 15
7 31
8 33
9 34
10 35
11 36
12 37
13 38
14 39
15 40
16 41
17 42
18 43
19 44
20 45
21 46
22 48
23 49
24 50
25 51
26 52
27 53
28 54
29 56
30 57
31 58
32 60
33 63
34 127
35 129
36 130
37 132
38 135
39 136
40 139
41 141
42 142
43 144
44 147
45 149
46 150
47 153
48 154
49 156
50 159
51 160
52 163
53 165
54 166
55 169
56 170
57 172
58 175
59 177
60 178
61 180

List of values

[3, 7, 9, 10, 12, 15, 31, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 48, 49, 50, 51, 52, 53, 54, 56, 57, 58, 60, 63, 127, 129, 130, 132, 135, 136, 139, 141, 142, 144, 147, 149, 150, 153, 154, 156, 159, 160, 163, 165, 166, 169, 170, 172, 175, 177, 178, 180]