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.

A272042 a(n) = 2*prime(2n) - prime(n).

Table of values

n a(n)
1 4
2 11
3 21
4 31
5 47
6 61
7 69
8 87
9 99
10 113
11 127
12 141
13 161
14 171
15 179
16 209
17 219
18 241
19 259
20 275
21 289
22 307
23 315
24 357
25 361
26 377
27 399
28 419
29 433
30 449
31 459
32 491
33 497
34 535
35 549
36 567
37 589
38 603
39 627
40 645
41 663
42 685
43 695
44 721
45 729

List of values

[4, 11, 21, 31, 47, 61, 69, 87, 99, 113, 127, 141, 161, 171, 179, 209, 219, 241, 259, 275, 289, 307, 315, 357, 361, 377, 399, 419, 433, 449, 459, 491, 497, 535, 549, 567, 589, 603, 627, 645, 663, 685, 695, 721, 729]