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.

A167542 Natural numbers, swapped in pairs, with decimal digits reversed.

Table of values

n a(n)
1 2
2 1
3 4
4 3
5 6
6 5
7 8
8 7
9 1
10 9
11 21
12 11
13 41
14 31
15 61
16 51
17 81
18 71
19 2
20 91
21 22
22 12
23 42
24 32
25 62
26 52
27 82
28 72
29 3
30 92
31 23
32 13
33 43
34 33
35 63
36 53
37 83
38 73
39 4
40 93
41 24
42 14
43 44
44 34
45 64
46 54
47 84
48 74
49 5
50 94
51 25
52 15
53 45
54 35
55 65
56 55
57 85
58 75
59 6
60 95
61 26
62 16
63 46
64 36
65 66
66 56
67 86
68 76
69 7
70 96
71 27
72 17
73 47
74 37
75 67

List of values

[2, 1, 4, 3, 6, 5, 8, 7, 1, 9, 21, 11, 41, 31, 61, 51, 81, 71, 2, 91, 22, 12, 42, 32, 62, 52, 82, 72, 3, 92, 23, 13, 43, 33, 63, 53, 83, 73, 4, 93, 24, 14, 44, 34, 64, 54, 84, 74, 5, 94, 25, 15, 45, 35, 65, 55, 85, 75, 6, 95, 26, 16, 46, 36, 66, 56, 86, 76, 7, 96, 27, 17, 47, 37, 67]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.