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.

A098855 Numbers k such that 4^k + 2^k - 1 is prime.

Table of values

n a(n)
1 1
2 2
3 3
4 4
5 6
6 10
7 16
8 24
9 26
10 35
11 52
12 55
13 95
14 144
15 379
16 484
17 939
18 1284
19 1300
20 2651
21 3644
22 3979
23 7179
24 8304
25 14840
26 32040
27 38906
28 47759
29 51371
30 52484
31 54016
32 57279

List of values

[1, 2, 3, 4, 6, 10, 16, 24, 26, 35, 52, 55, 95, 144, 379, 484, 939, 1284, 1300, 2651, 3644, 3979, 7179, 8304, 14840, 32040, 38906, 47759, 51371, 52484, 54016, 57279]