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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.

A225057 Least prime p such that p*6^n +/- 1 are primes.

Table of values

n a(n)
1 2
2 2
3 2
4 2
5 47
6 3
7 53
8 677
9 823
10 227
11 1907
12 1103
13 17
14 163
15 2693
16 1213
17 277
18 2767
19 887
20 8353
21 1013
22 773
23 6967
24 1423
25 2593
26 9643
27 157
28 18013
29 263
30 2137
31 2837
32 107
33 3467
34 2137
35 17
36 2777
37 1453
38 2683
39 7963
40 3517
41 2767
42 53527
43 8563
44 227
45 367
46 27673
47 30853
48 5087
49 7723
50 14753
51 41687
52 137
53 48647
54 26357
55 16747
56 2797
57 9887
58 35933

List of values

[2, 2, 2, 2, 47, 3, 53, 677, 823, 227, 1907, 1103, 17, 163, 2693, 1213, 277, 2767, 887, 8353, 1013, 773, 6967, 1423, 2593, 9643, 157, 18013, 263, 2137, 2837, 107, 3467, 2137, 17, 2777, 1453, 2683, 7963, 3517, 2767, 53527, 8563, 227, 367, 27673, 30853, 5087, 7723, 14753, 41687, 137, 48647, 26357, 16747, 2797, 9887, 35933]

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

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