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.

A383475 Numbers k such that k*2^d is the average of a twin prime pair for some divisor d of k.

Table of values

n a(n)
1 2
2 3
3 6
4 9
5 12
6 15
7 18
8 21
9 24
10 30
11 36
12 39
13 42
14 45
15 48
16 51
17 54
18 60
19 69
20 72
21 75
22 78
23 81
24 90
25 96
26 99
27 105
28 108
29 114
30 120
31 129
32 132
33 135
34 141
35 144
36 150
37 156
38 165
39 168
40 174
41 180
42 186
43 192
44 201
45 210
46 216
47 228
48 231
49 234
50 240
51 252
52 258
53 261
54 264
55 270
56 282
57 285
58 288
59 300

List of values

[2, 3, 6, 9, 12, 15, 18, 21, 24, 30, 36, 39, 42, 45, 48, 51, 54, 60, 69, 72, 75, 78, 81, 90, 96, 99, 105, 108, 114, 120, 129, 132, 135, 141, 144, 150, 156, 165, 168, 174, 180, 186, 192, 201, 210, 216, 228, 231, 234, 240, 252, 258, 261, 264, 270, 282, 285, 288, 300]

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

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