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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.

A275988 a(n) = prime(3n) - prime(n).

Table of values

n a(n)
1 3
2 10
3 18
4 30
5 36
6 48
7 56
8 70
9 80
10 84
11 106
12 114
13 126
14 138
15 150
16 170
17 174
18 190
19 202
20 210
21 234
22 238
23 264
24 270
25 282
26 296
27 316
28 326
29 340
30 350
31 360
32 372
33 386
34 418
35 422
36 442
37 450
38 456
39 476
40 486
41 498
42 520
43 536
44 550
45 564
46 588
47 600
48 604
49 626
50 634
51 650
52 672
53 696
54 702
55 720
56 734
57 750
58 762
59 774

List of values

[3, 10, 18, 30, 36, 48, 56, 70, 80, 84, 106, 114, 126, 138, 150, 170, 174, 190, 202, 210, 234, 238, 264, 270, 282, 296, 316, 326, 340, 350, 360, 372, 386, 418, 422, 442, 450, 456, 476, 486, 498, 520, 536, 550, 564, 588, 600, 604, 626, 634, 650, 672, 696, 702, 720, 734, 750, 762, 774]

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

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