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.

A270199 Self-inverse permutation of natural numbers: a(1) = 1, a(A269389(1+n)) = A269399(a(n)), a(A269399(n)) = A269389(1+a(n)).

Table of values

n a(n)
1 1
2 3
3 2
4 9
5 6
6 5
7 30
8 15
9 4
10 16
11 12
12 11
13 93
14 45
15 8
16 10
17 46
18 48
19 34
20 33
21 266
22 124
23 26
24 31
25 127
26 23
27 154
28 99
29 97
30 7
31 24
32 727
33 20
34 19
35 352
36 80
37 94
38 357
39 68
40 141
41 69
42 446
43 278
44 272
45 14
46 17
47 70
48 18
49 71
50 73
51 1902
52 54
53 61
54 52
55 946
56 232
57 267
58 957
59 197
60 408
61 53
62 199
63 1174
64 763
65 407
66 751
67 186
68 39
69 41
70 47
71 49
72 202
73 50
74 204
75 210
76 4724
77 164
78 192
79 182
80 36

List of values

[1, 3, 2, 9, 6, 5, 30, 15, 4, 16, 12, 11, 93, 45, 8, 10, 46, 48, 34, 33, 266, 124, 26, 31, 127, 23, 154, 99, 97, 7, 24, 727, 20, 19, 352, 80, 94, 357, 68, 141, 69, 446, 278, 272, 14, 17, 70, 18, 71, 73, 1902, 54, 61, 52, 946, 232, 267, 957, 197, 408, 53, 199, 1174, 763, 407, 751, 186, 39, 41, 47, 49, 202, 50, 204, 210, 4724, 164, 192, 182, 36]