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.

A128510 Composites c such that c*A001414(c) is adjacent to a prime.

Table of values

n a(n)
1 4
2 6
3 8
4 9
5 10
6 12
7 14
8 16
9 20
10 21
11 25
12 26
13 28
14 33
15 34
16 35
17 36
18 38
19 40
20 42
21 44
22 46
23 50
24 51
25 52
26 54
27 55
28 56
29 60
30 64
31 65
32 68
33 72
34 74
35 76
36 80
37 81
38 82
39 85
40 90
41 93
42 95
43 96
44 98
45 100
46 102
47 110
48 111
49 115
50 119
51 121
52 122
53 123
54 124
55 126
56 132
57 133
58 135
59 138
60 140
61 143
62 144
63 145
64 146
65 148
66 150

List of values

[4, 6, 8, 9, 10, 12, 14, 16, 20, 21, 25, 26, 28, 33, 34, 35, 36, 38, 40, 42, 44, 46, 50, 51, 52, 54, 55, 56, 60, 64, 65, 68, 72, 74, 76, 80, 81, 82, 85, 90, 93, 95, 96, 98, 100, 102, 110, 111, 115, 119, 121, 122, 123, 124, 126, 132, 133, 135, 138, 140, 143, 144, 145, 146, 148, 150]

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

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