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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.

A292015 Primes of the form Phi(k, 2), where Phi is the cyclotomic polynomial.

Table of values

n a(n)
1 3
2 7
3 5
4 31
5 3
6 127
7 17
8 73
9 11
10 13
11 8191
12 43
13 151
14 257
15 131071
16 524287
17 683
18 241
19 2731
20 262657
21 331
22 2147483647
23 65537
24 599479
25 43691
26 174763
27 61681
28 5419
29 2796203
30 4432676798593
31 15790321
32 2305843009213693951
33 715827883
34 145295143558111
35 10052678938039

List of values

[3, 7, 5, 31, 3, 127, 17, 73, 11, 13, 8191, 43, 151, 257, 131071, 524287, 683, 241, 2731, 262657, 331, 2147483647, 65537, 599479, 43691, 174763, 61681, 5419, 2796203, 4432676798593, 15790321, 2305843009213693951, 715827883, 145295143558111, 10052678938039]

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

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