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.

A336719 Largest odd prime p for which the order of 2 mod p is at most n.

Table of values

n a(n)
2 3
3 7
4 7
5 31
6 31
7 127
8 127
9 127
10 127
11 127
12 127
13 8191
14 8191
15 8191
16 8191
17 131071
18 131071
19 524287
20 524287
21 524287
22 524287
23 524287
24 524287
25 524287
26 524287
27 524287
28 524287
29 524287
30 524287
31 2147483647
32 2147483647
33 2147483647
34 2147483647
35 2147483647
36 2147483647

List of values

[3, 7, 7, 31, 31, 127, 127, 127, 127, 127, 127, 8191, 8191, 8191, 8191, 131071, 131071, 524287, 524287, 524287, 524287, 524287, 524287, 524287, 524287, 524287, 524287, 524287, 524287, 2147483647, 2147483647, 2147483647, 2147483647, 2147483647, 2147483647]

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

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