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.

A182091 Numbers n such that (n-1)*n^2/2-1 is prime.

Table of values

n a(n)
1 4
2 6
3 8
4 10
5 13
6 17
7 18
8 21
9 22
10 25
11 30
12 34
13 36
14 38
15 41
16 42
17 45
18 46
19 56
20 57
21 58
22 62
23 64
24 69
25 70
26 72
27 74
28 86
29 88
30 101
31 105
32 113
33 114
34 116
35 120
36 122
37 126
38 132
39 133
40 141
41 157
42 158
43 174
44 176
45 181
46 182
47 186
48 192
49 198
50 200
51 205
52 216
53 217
54 221
55 224
56 240
57 253
58 254

List of values

[4, 6, 8, 10, 13, 17, 18, 21, 22, 25, 30, 34, 36, 38, 41, 42, 45, 46, 56, 57, 58, 62, 64, 69, 70, 72, 74, 86, 88, 101, 105, 113, 114, 116, 120, 122, 126, 132, 133, 141, 157, 158, 174, 176, 181, 182, 186, 192, 198, 200, 205, 216, 217, 221, 224, 240, 253, 254]