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.

A081988 Product of digits + 1 is a prime.

Table of values

n a(n)
1 1
2 2
3 4
4 6
5 11
6 12
7 14
8 16
9 21
10 22
11 23
12 25
13 26
14 28
15 29
16 32
17 34
18 36
19 41
20 43
21 44
22 47
23 49
24 52
25 56
26 58
27 61
28 62
29 63
30 65
31 66
32 67
33 74
34 76
35 82
36 85
37 89
38 92
39 94
40 98
41 111
42 112
43 114
44 116
45 121
46 122
47 123
48 125
49 126
50 128
51 129
52 132
53 134
54 136
55 141
56 143
57 144
58 147
59 149
60 152
61 156
62 158

List of values

[1, 2, 4, 6, 11, 12, 14, 16, 21, 22, 23, 25, 26, 28, 29, 32, 34, 36, 41, 43, 44, 47, 49, 52, 56, 58, 61, 62, 63, 65, 66, 67, 74, 76, 82, 85, 89, 92, 94, 98, 111, 112, 114, 116, 121, 122, 123, 125, 126, 128, 129, 132, 134, 136, 141, 143, 144, 147, 149, 152, 156, 158]