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.

A080353 a(1)=5; for n>1, a(n)=a(n-1)+1 if n is already in the sequence, a(n)=a(n-1)+2 otherwise.

Table of values

n a(n)
1 5
2 7
3 9
4 11
5 12
6 14
7 15
8 17
9 18
10 20
11 21
12 22
13 24
14 25
15 26
16 28
17 29
18 30
19 32
20 33
21 34
22 35
23 37
24 38
25 39
26 40
27 42
28 43
29 44
30 45
31 47
32 48
33 49
34 50
35 51
36 53
37 54
38 55
39 56
40 57
41 59
42 60
43 61
44 62
45 63
46 65
47 66
48 67
49 68
50 69
51 70
52 72
53 73
54 74
55 75
56 76
57 77
58 79
59 80
60 81
61 82
62 83
63 84
64 86
65 87
66 88
67 89

List of values

[5, 7, 9, 11, 12, 14, 15, 17, 18, 20, 21, 22, 24, 25, 26, 28, 29, 30, 32, 33, 34, 35, 37, 38, 39, 40, 42, 43, 44, 45, 47, 48, 49, 50, 51, 53, 54, 55, 56, 57, 59, 60, 61, 62, 63, 65, 66, 67, 68, 69, 70, 72, 73, 74, 75, 76, 77, 79, 80, 81, 82, 83, 84, 86, 87, 88, 89]