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.

A239131 A sequence with period length 54; the companion of x(n) = A239130(n), the smallest positive solution of 3^4*x - 2^n*y = 1 for n >= 0.

Table of values

n a(n)
0 80
1 40
2 20
3 10
4 5
5 43
6 62
7 31
8 56
9 28
10 14
11 7
12 44
13 22
14 11
15 46
16 23
17 52
18 26
19 13
20 47
21 64
22 32
23 16
24 8
25 4
26 2
27 1
28 41
29 61
30 71
31 76
32 38
33 19
34 50
35 25
36 53
37 67
38 74
39 37
40 59
41 70
42 35
43 58
44 29
45 55
46 68
47 34
48 17
49 49
50 65
51 73
52 77
53 79
54 80
55 40
56 20
57 10
58 5
59 43
60 62
61 31
62 56
63 28
64 14
65 7
66 44

List of values

[80, 40, 20, 10, 5, 43, 62, 31, 56, 28, 14, 7, 44, 22, 11, 46, 23, 52, 26, 13, 47, 64, 32, 16, 8, 4, 2, 1, 41, 61, 71, 76, 38, 19, 50, 25, 53, 67, 74, 37, 59, 70, 35, 58, 29, 55, 68, 34, 17, 49, 65, 73, 77, 79, 80, 40, 20, 10, 5, 43, 62, 31, 56, 28, 14, 7, 44]