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.

A064437 a(1)=1, a(n) = a(n-1) + 3 if n is already in the sequence, a(n) = a(n-1) + 2 otherwise.

Table of values

n a(n)
1 1
2 3
3 6
4 8
5 10
6 13
7 15
8 18
9 20
10 23
11 25
12 27
13 30
14 32
15 35
16 37
17 39
18 42
19 44
20 47
21 49
22 51
23 54
24 56
25 59
26 61
27 64
28 66
29 68
30 71
31 73
32 76
33 78
34 80
35 83
36 85
37 88
38 90
39 93
40 95
41 97
42 100
43 102
44 105
45 107
46 109
47 112
48 114
49 117
50 119
51 122
52 124
53 126
54 129
55 131
56 134
57 136
58 138
59 141
60 143
61 146
62 148
63 150

List of values

[1, 3, 6, 8, 10, 13, 15, 18, 20, 23, 25, 27, 30, 32, 35, 37, 39, 42, 44, 47, 49, 51, 54, 56, 59, 61, 64, 66, 68, 71, 73, 76, 78, 80, 83, 85, 88, 90, 93, 95, 97, 100, 102, 105, 107, 109, 112, 114, 117, 119, 122, 124, 126, 129, 131, 134, 136, 138, 141, 143, 146, 148, 150]

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

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