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.

A066066 a(n) = prime(2*n) - 2*prime(n).

Table of values

n a(n)
1 -1
2 1
3 3
4 5
5 7
6 11
7 9
8 15
9 15
10 13
11 17
12 15
13 19
14 21
15 19
16 25
17 21
18 29
19 29
20 31
21 35
22 35
23 33
24 45
25 35
26 37
27 45
28 49
29 53
30 55
31 39
32 49
33 43
34 59
35 51
36 57
37 59
38 57
39 63
40 63
41 63
42 71
43 61
44 71
45 69
46 81
47 69
48 57
49 67
50 83
51 91
52 91
53 95
54 91
55 87
56 87
57 81
58 99
59 93
60 97
61 107
62 97
63 87
64 97
65 107
66 109
67 95
68 95
69 93
70 111
71 115
72 109
73 105
74 111
75 105
76 115
77 109
78 117
79 127
80 123
81 115

List of values

[-1, 1, 3, 5, 7, 11, 9, 15, 15, 13, 17, 15, 19, 21, 19, 25, 21, 29, 29, 31, 35, 35, 33, 45, 35, 37, 45, 49, 53, 55, 39, 49, 43, 59, 51, 57, 59, 57, 63, 63, 63, 71, 61, 71, 69, 81, 69, 57, 67, 83, 91, 91, 95, 91, 87, 87, 81, 99, 93, 97, 107, 97, 87, 97, 107, 109, 95, 95, 93, 111, 115, 109, 105, 111, 105, 115, 109, 117, 127, 123, 115]