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.

A079357 a(1)=1; a(n)=a(n-1)-1 if n is already in the sequence, a(n)=a(n-1)+4 otherwise.

Table of values

n a(n)
1 1
2 5
3 9
4 13
5 12
6 16
7 20
8 24
9 23
10 27
11 31
12 30
13 29
14 33
15 37
16 36
17 40
18 44
19 48
20 47
21 51
22 55
23 54
24 53
25 57
26 61
27 60
28 64
29 63
30 62
31 61
32 65
33 64
34 68
35 72
36 71
37 70
38 74
39 78
40 77
41 81
42 85
43 89
44 88
45 92
46 96
47 95
48 94
49 98
50 102
51 101
52 105
53 104
54 103
55 102
56 106
57 105
58 109
59 113
60 112
61 111
62 110
63 109
64 108
65 107

List of values

[1, 5, 9, 13, 12, 16, 20, 24, 23, 27, 31, 30, 29, 33, 37, 36, 40, 44, 48, 47, 51, 55, 54, 53, 57, 61, 60, 64, 63, 62, 61, 65, 64, 68, 72, 71, 70, 74, 78, 77, 81, 85, 89, 88, 92, 96, 95, 94, 98, 102, 101, 105, 104, 103, 102, 106, 105, 109, 113, 112, 111, 110, 109, 108, 107]

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

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