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.

A137805 Self-inverse integer permutation induced by Beatty sequences for Sqrt(2)+1/2 and (4*Sqrt(2)+9)/7.

Table of values

n a(n)
1 2
2 1
3 4
4 3
5 6
6 5
7 8
8 7
9 10
10 9
11 12
12 11
13 14
14 13
15 16
16 15
17 18
18 17
19 20
20 19
21 23
22 25
23 21
24 27
25 22
26 29
27 24
28 31
29 26
30 33
31 28
32 35
33 30
34 37
35 32
36 39
37 34
38 41
39 36
40 43
41 38
42 46
43 40
44 48
45 50
46 42
47 52
48 44
49 54
50 45
51 56
52 47
53 58
54 49
55 60
56 51
57 62
58 53
59 64
60 55
61 67
62 57
63 69
64 59
65 71
66 73
67 61
68 75
69 63
70 77
71 65
72 79

List of values

[2, 1, 4, 3, 6, 5, 8, 7, 10, 9, 12, 11, 14, 13, 16, 15, 18, 17, 20, 19, 23, 25, 21, 27, 22, 29, 24, 31, 26, 33, 28, 35, 30, 37, 32, 39, 34, 41, 36, 43, 38, 46, 40, 48, 50, 42, 52, 44, 54, 45, 56, 47, 58, 49, 60, 51, 62, 53, 64, 55, 67, 57, 69, 59, 71, 73, 61, 75, 63, 77, 65, 79]