cp's OEIS Frontend

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.

A122834 Primes in the new Mersenne conjecture; odd primes of the form 2^k+-1 or 4^k+-3.

Table of values

n a(n)
1 3
2 5
3 7
4 13
5 17
6 19
7 31
8 61
9 67
10 127
11 257
12 1021
13 4093
14 4099
15 8191
16 16381
17 65537
18 65539
19 131071
20 262147
21 524287
22 1048573
23 4194301
24 16777213
25 268435459
26 1073741827
27 2147483647
28 2305843009213693951
29 19342813113834066795298819

List of values

[3, 5, 7, 13, 17, 19, 31, 61, 67, 127, 257, 1021, 4093, 4099, 8191, 16381, 65537, 65539, 131071, 262147, 524287, 1048573, 4194301, 16777213, 268435459, 1073741827, 2147483647, 2305843009213693951, 19342813113834066795298819]