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.

A121882 Numbers k such that k + D(k) + 1 is prime, where D() are the doublets, A020338.

Table of values

n a(n)
1 1
2 3
3 5
4 6
5 8
6 9
7 10
8 11
9 13
10 14
11 15
12 21
13 23
14 25
15 28
16 30
17 31
18 34
19 35
20 36
21 38
22 45
23 49
24 50
25 53
26 60
27 63
28 64
29 66
30 69
31 71
32 74
33 76
34 79
35 80
36 81
37 83
38 90
39 91
40 99
41 101
42 105
43 106
44 108
45 110
46 113
47 114
48 124
49 128
50 130
51 134
52 135
53 136
54 140
55 141
56 143
57 144
58 150
59 151
60 159
61 161
62 163
63 165

List of values

[1, 3, 5, 6, 8, 9, 10, 11, 13, 14, 15, 21, 23, 25, 28, 30, 31, 34, 35, 36, 38, 45, 49, 50, 53, 60, 63, 64, 66, 69, 71, 74, 76, 79, 80, 81, 83, 90, 91, 99, 101, 105, 106, 108, 110, 113, 114, 124, 128, 130, 134, 135, 136, 140, 141, 143, 144, 150, 151, 159, 161, 163, 165]

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

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