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.

A305423 Permutation of natural numbers: a(n) = (A305421(n)+1)/2.

Table of values

n a(n)
1 1
2 2
3 4
4 3
5 11
6 5
7 6
8 8
9 25
10 32
11 7
12 14
13 10
14 15
15 54
16 9
17 137
18 42
19 13
20 33
21 35
22 12
23 61
24 23
25 16
26 27
27 76
28 20
29 18
30 95
31 19
32 26
33 126
34 410
35 87
36 123
37 21
38 22
39 117
40 98
41 24
42 104
43 47
44 29
45 499
46 70
47 28
48 60
49 64
50 17
51 956
52 48
53 40
54 221
55 30
56 53
57 184
58 51
59 31
60 228
61 34
62 56
63 238
64 43
65 641
66 135
67 37
68 683
69 41
70 252
71 229
72 144
73 44
74 62
75 775
76 63
77 90
78 158
79 109
80 163
81 131
82 57

List of values

[1, 2, 4, 3, 11, 5, 6, 8, 25, 32, 7, 14, 10, 15, 54, 9, 137, 42, 13, 33, 35, 12, 61, 23, 16, 27, 76, 20, 18, 95, 19, 26, 126, 410, 87, 123, 21, 22, 117, 98, 24, 104, 47, 29, 499, 70, 28, 60, 64, 17, 956, 48, 40, 221, 30, 53, 184, 51, 31, 228, 34, 56, 238, 43, 641, 135, 37, 683, 41, 252, 229, 144, 44, 62, 775, 63, 90, 158, 109, 163, 131, 57]