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.

A382624 Positive integers such that every even digit except the leftmost is immediately preceded by a larger digit.

Table of values

n a(n)
1 1
2 2
3 3
4 4
5 5
6 6
7 7
8 8
9 9
10 10
11 11
12 13
13 15
14 17
15 19
16 20
17 21
18 23
19 25
20 27
21 29
22 30
23 31
24 32
25 33
26 35
27 37
28 39
29 40
30 41
31 42
32 43
33 45
34 47
35 49
36 50
37 51
38 52
39 53
40 54
41 55
42 57
43 59
44 60
45 61
46 62
47 63
48 64
49 65
50 67
51 69
52 70
53 71
54 72
55 73
56 74
57 75
58 76
59 77
60 79
61 80
62 81
63 82
64 83
65 84
66 85
67 86
68 87
69 89
70 90

List of values

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 15, 17, 19, 20, 21, 23, 25, 27, 29, 30, 31, 32, 33, 35, 37, 39, 40, 41, 42, 43, 45, 47, 49, 50, 51, 52, 53, 54, 55, 57, 59, 60, 61, 62, 63, 64, 65, 67, 69, 70, 71, 72, 73, 74, 75, 76, 77, 79, 80, 81, 82, 83, 84, 85, 86, 87, 89, 90]