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.

A211280 Numerator of prime(n+1) - prime(n)/2.

Table of values

n a(n)
1 2
2 7
3 9
4 15
5 15
6 21
7 21
8 27
9 35
10 33
11 43
12 45
13 45
14 51
15 59
16 65
17 63
18 73
19 75
20 75
21 85
22 87
23 95
24 105
25 105
26 105
27 111
28 111
29 117
30 141
31 135
32 143
33 141
34 159
35 153
36 163
37 169
38 171
39 179
40 185
41 183
42 201
43 195
44 201
45 201
46 223
47 235
48 231
49 231
50 237
51 245
52 243
53 261
54 263
55 269
56 275
57 273
58 283
59 285
60 285
61 303
62 321
63 315
64 315
65 321
66 345
67 343
68 357
69 351
70 357
71 365
72 375
73 379

List of values

[2, 7, 9, 15, 15, 21, 21, 27, 35, 33, 43, 45, 45, 51, 59, 65, 63, 73, 75, 75, 85, 87, 95, 105, 105, 105, 111, 111, 117, 141, 135, 143, 141, 159, 153, 163, 169, 171, 179, 185, 183, 201, 195, 201, 201, 223, 235, 231, 231, 237, 245, 243, 261, 263, 269, 275, 273, 283, 285, 285, 303, 321, 315, 315, 321, 345, 343, 357, 351, 357, 365, 375, 379]