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.

A176462 Numbers k such that neither k-1 nor k+1 is prime or semiprime.

Table of values

n a(n)
1 0
2 17
3 19
4 29
5 31
6 41
7 43
8 49
9 51
10 53
11 55
12 65
13 67
14 69
15 71
16 77
17 79
18 89
19 91
20 97
21 99
22 101
23 103
24 109
25 111
26 113
27 115
28 125
29 127
30 129
31 131
32 137
33 139
34 149
35 151
36 153
37 155
38 161
39 163
40 169
41 171
42 173
43 175
44 181
45 183
46 185
47 187
48 189
49 191
50 197
51 199
52 209
53 211
54 221
55 223
56 229
57 231

List of values

[0, 17, 19, 29, 31, 41, 43, 49, 51, 53, 55, 65, 67, 69, 71, 77, 79, 89, 91, 97, 99, 101, 103, 109, 111, 113, 115, 125, 127, 129, 131, 137, 139, 149, 151, 153, 155, 161, 163, 169, 171, 173, 175, 181, 183, 185, 187, 189, 191, 197, 199, 209, 211, 221, 223, 229, 231]