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.

A065870 n-th prime - n-th semiprime.

Table of values

n a(n)
1 -2
2 -3
3 -4
4 -3
5 -3
6 -2
7 -4
8 -3
9 -2
10 3
11 -2
12 3
13 6
14 5
15 8
16 7
17 10
18 10
19 12
20 14
21 15
22 17
23 18
24 20
25 23
26 24
27 21
28 22
29 23
30 26
31 36
32 38
33 43
34 44
35 43
36 40
37 42
38 45
39 48
40 52
41 57
42 58
43 62
44 60
45 63
46 58
47 69
48 80
49 82
50 83
51 78
52 81
53 82
54 90
55 91
56 94
57 92
58 93
59 94
60 96
61 96
62 99
63 106
64 109
65 110
66 112
67 125
68 128
69 134
70 135
71 138
72 142
73 149
74 154
75 158
76 157
77 154
78 160
79 154
80 160

List of values

[-2, -3, -4, -3, -3, -2, -4, -3, -2, 3, -2, 3, 6, 5, 8, 7, 10, 10, 12, 14, 15, 17, 18, 20, 23, 24, 21, 22, 23, 26, 36, 38, 43, 44, 43, 40, 42, 45, 48, 52, 57, 58, 62, 60, 63, 58, 69, 80, 82, 83, 78, 81, 82, 90, 91, 94, 92, 93, 94, 96, 96, 99, 106, 109, 110, 112, 125, 128, 134, 135, 138, 142, 149, 154, 158, 157, 154, 160, 154, 160]