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.

A125767 Least prime of the form n*T_i +/-1, where T is a triangular number.

Table of values

n a(n)
1 2
2 3
3 2
4 3
5 29
6 5
7 41
8 7
9 53
10 11
11 67
12 11
13 79
14 13
15 89
16 17
17 101
18 17
19 113
20 19
21 127
22 23
23 137
24 23
25 149
26 79
27 163
28 29
29 173
30 29
31 311
32 31
33 197
34 101
35 211
36 37
37 223
38 37
39 233
40 41
41 409
42 41
43 257
44 43
45 269
46 47
47 281
48 47
49 293
50 149
51 307
52 53
53 317
54 53
55 331
56 167
57 569
58 59
59 353
60 59
61 367
62 61
63 379

List of values

[2, 3, 2, 3, 29, 5, 41, 7, 53, 11, 67, 11, 79, 13, 89, 17, 101, 17, 113, 19, 127, 23, 137, 23, 149, 79, 163, 29, 173, 29, 311, 31, 197, 101, 211, 37, 223, 37, 233, 41, 409, 41, 257, 43, 269, 47, 281, 47, 293, 149, 307, 53, 317, 53, 331, 167, 569, 59, 353, 59, 367, 61, 379]