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.

A088629 Smallest number k not included earlier such that the concatenation n, k is a prime.

Table of values

n a(n)
1 1
2 3
3 7
4 19
5 9
6 13
7 27
8 11
9 29
10 21
11 17
12 23
13 61
14 33
15 31
16 37
17 41
18 47
19 49
20 39
21 43
22 51
23 57
24 59
25 79
26 63
27 53
28 87
29 69
30 67
31 81
32 71
33 73
34 91
35 83
36 77
37 93
38 89
39 103
40 99
41 113
42 97
43 117
44 101
45 119
46 133
47 111
48 109
49 121
50 123
51 131
52 127
53 129
54 139
55 147
56 149
57 107
58 151
59 141
60 161
61 153
62 137
63 179

List of values

[1, 3, 7, 19, 9, 13, 27, 11, 29, 21, 17, 23, 61, 33, 31, 37, 41, 47, 49, 39, 43, 51, 57, 59, 79, 63, 53, 87, 69, 67, 81, 71, 73, 91, 83, 77, 93, 89, 103, 99, 113, 97, 117, 101, 119, 133, 111, 109, 121, 123, 131, 127, 129, 139, 147, 149, 107, 151, 141, 161, 153, 137, 179]

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

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