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.

A179526 (3^k - 1)/2 appears 3^(k-1) times, k>0.

Table of values

n a(n)
0 1
1 4
2 4
3 4
4 13
5 13
6 13
7 13
8 13
9 13
10 13
11 13
12 13
13 40
14 40
15 40
16 40
17 40
18 40
19 40
20 40
21 40
22 40
23 40
24 40
25 40
26 40
27 40
28 40
29 40
30 40
31 40
32 40
33 40
34 40
35 40
36 40
37 40
38 40
39 40
40 121
41 121
42 121
43 121
44 121
45 121
46 121
47 121
48 121
49 121
50 121
51 121
52 121
53 121
54 121
55 121
56 121
57 121
58 121
59 121
60 121
61 121
62 121

List of values

[1, 4, 4, 4, 13, 13, 13, 13, 13, 13, 13, 13, 13, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121]