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.

A227030 Numbers that are neither the difference nor the product of two primes.

Table of values

n a(n)
1 7
2 13
3 19
4 23
5 31
6 37
7 43
8 47
9 53
10 61
11 63
12 67
13 73
14 75
15 79
16 83
17 89
18 97
19 103
20 109
21 113
22 117
23 127
24 131
25 139
26 151
27 153
28 157
29 163
30 167
31 173
32 175
33 181
34 193
35 199
36 207
37 211
38 223
39 229
40 233
41 241
42 243
43 245
44 251
45 257
46 263
47 271
48 273
49 277
50 283
51 285
52 293
53 297
54 307
55 313
56 317

List of values

[7, 13, 19, 23, 31, 37, 43, 47, 53, 61, 63, 67, 73, 75, 79, 83, 89, 97, 103, 109, 113, 117, 127, 131, 139, 151, 153, 157, 163, 167, 173, 175, 181, 193, 199, 207, 211, 223, 229, 233, 241, 243, 245, 251, 257, 263, 271, 273, 277, 283, 285, 293, 297, 307, 313, 317]