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.

A336116 Primes of the form q*2^h - 1, where q is a Fermat prime.

Table of values

n a(n)
1 2
2 5
3 11
4 19
5 23
6 47
7 67
8 79
9 191
10 271
11 383
12 1087
13 1279
14 4111
15 5119
16 6143
17 16447
18 20479
19 81919
20 262147
21 263167
22 786431
23 1114111
24 1310719
25 16842751
26 17825791
27 1073758207
28 4295032831
29 4311744511
30 17180131327
31 21474836479
32 51539607551
33 824633720831
34 1168231104511

List of values

[2, 5, 11, 19, 23, 47, 67, 79, 191, 271, 383, 1087, 1279, 4111, 5119, 6143, 16447, 20479, 81919, 262147, 263167, 786431, 1114111, 1310719, 16842751, 17825791, 1073758207, 4295032831, 4311744511, 17180131327, 21474836479, 51539607551, 824633720831, 1168231104511]

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

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