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.

A123123 Numbers m such that m mod k = 2 for only one integer k in 2..m.

Table of values

n a(n)
1 5
2 6
3 7
4 9
5 13
6 15
7 19
8 21
9 25
10 31
11 33
12 39
13 43
14 45
15 49
16 55
17 61
18 63
19 69
20 73
21 75
22 81
23 85
24 91
25 99
26 103
27 105
28 109
29 111
30 115
31 129
32 133
33 139
34 141
35 151
36 153
37 159
38 165
39 169
40 175
41 181
42 183
43 193
44 195
45 199
46 201
47 213
48 225
49 229
50 231
51 235
52 241
53 243
54 253
55 259
56 265
57 271
58 273
59 279

List of values

[5, 6, 7, 9, 13, 15, 19, 21, 25, 31, 33, 39, 43, 45, 49, 55, 61, 63, 69, 73, 75, 81, 85, 91, 99, 103, 105, 109, 111, 115, 129, 133, 139, 141, 151, 153, 159, 165, 169, 175, 181, 183, 193, 195, 199, 201, 213, 225, 229, 231, 235, 241, 243, 253, 259, 265, 271, 273, 279]