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.

A308981 Nonnegative integers k such that k^3 - 2*k^2 + k - 1 is not composite.

Table of values

n a(n)
1 0
2 1
3 2
4 3
5 5
6 6
7 7
8 10
9 12
10 13
11 15
12 20
13 23
14 26
15 27
16 28
17 30
18 33
19 35
20 37
21 38
22 41
23 45
24 48
25 50
26 56
27 61
28 63
29 65
30 66
31 70
32 71
33 72
34 82
35 83
36 85
37 90
38 96
39 98
40 107
41 108
42 115
43 120
44 122
45 126
46 128
47 133
48 140
49 141
50 142
51 145
52 148
53 156
54 160
55 162
56 166
57 173
58 175
59 180
60 185
61 191
62 202
63 205
64 208
65 213
66 217
67 220

List of values

[0, 1, 2, 3, 5, 6, 7, 10, 12, 13, 15, 20, 23, 26, 27, 28, 30, 33, 35, 37, 38, 41, 45, 48, 50, 56, 61, 63, 65, 66, 70, 71, 72, 82, 83, 85, 90, 96, 98, 107, 108, 115, 120, 122, 126, 128, 133, 140, 141, 142, 145, 148, 156, 160, 162, 166, 173, 175, 180, 185, 191, 202, 205, 208, 213, 217, 220]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.