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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.

A309857 Primes p such that 2*p^3+1 is also prime.

Table of values

n a(n)
1 2
2 5
3 11
4 29
5 59
6 71
7 107
8 149
9 191
10 197
11 227
12 269
13 431
14 479
15 491
16 857
17 941
18 1019
19 1049
20 1217
21 1259
22 1289
23 1451
24 1601
25 1619
26 1667
27 1709
28 1847
29 2081
30 2237
31 2267
32 2447
33 2549
34 2579
35 2699
36 2711
37 2729
38 2861
39 2879
40 2957
41 3041
42 3089
43 3167
44 3191
45 3209
46 3221
47 3407
48 3719
49 3761
50 3779

List of values

[2, 5, 11, 29, 59, 71, 107, 149, 191, 197, 227, 269, 431, 479, 491, 857, 941, 1019, 1049, 1217, 1259, 1289, 1451, 1601, 1619, 1667, 1709, 1847, 2081, 2237, 2267, 2447, 2549, 2579, 2699, 2711, 2729, 2861, 2879, 2957, 3041, 3089, 3167, 3191, 3209, 3221, 3407, 3719, 3761, 3779]

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

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