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.

A259175 a(n) = 1 if n prime, otherwise prime(n).

Table of values

n a(n)
1 2
2 1
3 1
4 7
5 1
6 13
7 1
8 19
9 23
10 29
11 1
12 37
13 1
14 43
15 47
16 53
17 1
18 61
19 1
20 71
21 73
22 79
23 1
24 89
25 97
26 101
27 103
28 107
29 1
30 113
31 1
32 131
33 137
34 139
35 149
36 151
37 1
38 163
39 167
40 173
41 1
42 181
43 1
44 193
45 197
46 199
47 1
48 223
49 227
50 229
51 233
52 239
53 1
54 251
55 257
56 263
57 269
58 271
59 1
60 281
61 1
62 293
63 307
64 311

List of values

[2, 1, 1, 7, 1, 13, 1, 19, 23, 29, 1, 37, 1, 43, 47, 53, 1, 61, 1, 71, 73, 79, 1, 89, 97, 101, 103, 107, 1, 113, 1, 131, 137, 139, 149, 151, 1, 163, 167, 173, 1, 181, 1, 193, 197, 199, 1, 223, 227, 229, 233, 239, 1, 251, 257, 263, 269, 271, 1, 281, 1, 293, 307, 311]