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.

A386796 Numbers that have exactly one exponent in their prime factorization that is equal to 2.

Table of values

n a(n)
1 4
2 9
3 12
4 18
5 20
6 25
7 28
8 44
9 45
10 49
11 50
12 52
13 60
14 63
15 68
16 72
17 75
18 76
19 84
20 90
21 92
22 98
23 99
24 108
25 116
26 117
27 121
28 124
29 126
30 132
31 140
32 144
33 147
34 148
35 150
36 153
37 156
38 164
39 169
40 171
41 172
42 175
43 188
44 198
45 200
46 204
47 207
48 212
49 220
50 228
51 234
52 236
53 242
54 244
55 245
56 260
57 261
58 268

List of values

[4, 9, 12, 18, 20, 25, 28, 44, 45, 49, 50, 52, 60, 63, 68, 72, 75, 76, 84, 90, 92, 98, 99, 108, 116, 117, 121, 124, 126, 132, 140, 144, 147, 148, 150, 153, 156, 164, 169, 171, 172, 175, 188, 198, 200, 204, 207, 212, 220, 228, 234, 236, 242, 244, 245, 260, 261, 268]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.