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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.

A088485 Numbers n such that n^2 + n - 1 and n^2 + n + 1 are twin primes.

Table of values

n a(n)
1 2
2 3
3 5
4 6
5 8
6 15
7 20
8 21
9 24
10 38
11 41
12 50
13 54
14 59
15 66
16 89
17 101
18 131
19 138
20 141
21 153
22 155
23 164
24 176
25 188
26 203
27 206
28 209
29 215
30 218
31 231
32 236
33 246
34 288
35 290
36 309
37 314
38 351
39 378
40 395
41 405
42 453
43 455
44 456
45 495
46 500
47 518
48 530
49 551
50 560
51 624
52 644
53 668
54 686
55 720
56 728
57 743
58 761
59 798
60 825
61 890
62 915
63 950
64 974
65 981

List of values

[2, 3, 5, 6, 8, 15, 20, 21, 24, 38, 41, 50, 54, 59, 66, 89, 101, 131, 138, 141, 153, 155, 164, 176, 188, 203, 206, 209, 215, 218, 231, 236, 246, 288, 290, 309, 314, 351, 378, 395, 405, 453, 455, 456, 495, 500, 518, 530, 551, 560, 624, 644, 668, 686, 720, 728, 743, 761, 798, 825, 890, 915, 950, 974, 981]

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

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