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.

A121495 Numbers k such that k and k+1 are composite and squarefree.

Table of values

n a(n)
1 14
2 21
3 33
4 34
5 38
6 57
7 65
8 69
9 77
10 85
11 86
12 93
13 94
14 105
15 110
16 114
17 118
18 122
19 129
20 133
21 141
22 142
23 145
24 154
25 158
26 165
27 177
28 182
29 185
30 186
31 194
32 201
33 202
34 205
35 209
36 213
37 214
38 217
39 218
40 221
41 230
42 237
43 246
44 253
45 254
46 258
47 265
48 266
49 273
50 285
51 286
52 290
53 298
54 301
55 302

List of values

[14, 21, 33, 34, 38, 57, 65, 69, 77, 85, 86, 93, 94, 105, 110, 114, 118, 122, 129, 133, 141, 142, 145, 154, 158, 165, 177, 182, 185, 186, 194, 201, 202, 205, 209, 213, 214, 217, 218, 221, 230, 237, 246, 253, 254, 258, 265, 266, 273, 285, 286, 290, 298, 301, 302]