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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.

A230481 a(n) = prime(prime(2*n)) - prime(2*prime(n)).

Table of values

n a(n)
1 -2
2 4
3 12
4 24
5 30
6 56
7 52
8 78
9 84
10 82
11 108
12 88
13 126
14 144
15 126
16 162
17 150
18 204
19 210
20 210
21 248
22 242
23 234
24 348
25 266
26 268
27 320
28 362
29 380
30 394
31 304
32 396
33 340
34 480
35 378
36 420
37 466
38 486
39 476
40 464
41 498
42 578
43 476
44 566
45 592
46 678
47 600
48 456
49 524
50 660
51 714
52 742
53 768
54 756

List of values

[-2, 4, 12, 24, 30, 56, 52, 78, 84, 82, 108, 88, 126, 144, 126, 162, 150, 204, 210, 210, 248, 242, 234, 348, 266, 268, 320, 362, 380, 394, 304, 396, 340, 480, 378, 420, 466, 486, 476, 464, 498, 578, 476, 566, 592, 678, 600, 456, 524, 660, 714, 742, 768, 756]

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

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