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.

A383472 a(n) = round(Product_{k=1..n} 1 + 2^2^(-k)).

Table of values

n a(n)
0 1
1 2
2 5
3 11
4 23
5 46
6 92
7 184
8 369
9 738
10 1477
11 2954
12 5909
13 11818
14 23637
15 47274
16 94548
17 189096
18 378193
19 756387
20 1512775
21 3025550
22 6051101
23 12102203
24 24204406
25 48408812
26 96817625
27 193635250
28 387270501
29 774541002
30 1549082004
31 3098164009
32 6196328018
33 12392656037

List of values

[1, 2, 5, 11, 23, 46, 92, 184, 369, 738, 1477, 2954, 5909, 11818, 23637, 47274, 94548, 189096, 378193, 756387, 1512775, 3025550, 6051101, 12102203, 24204406, 48408812, 96817625, 193635250, 387270501, 774541002, 1549082004, 3098164009, 6196328018, 12392656037]