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.

A080949 a(1)=0; for n>1, a(n)=a(n-1)-2 if n is already in the sequence, a(n)=a(n-1)+5 otherwise.

Table of values

n a(n)
1 0
2 5
3 10
4 15
5 13
6 18
7 23
8 28
9 33
10 31
11 36
12 41
13 39
14 44
15 42
16 47
17 52
18 50
19 55
20 60
21 65
22 70
23 68
24 73
25 78
26 83
27 88
28 86
29 91
30 96
31 94
32 99
33 97
34 102
35 107
36 105
37 110
38 115
39 113
40 118
41 116
42 114
43 119
44 117
45 122
46 127
47 125
48 130
49 135
50 133
51 138
52 136
53 141
54 146
55 144
56 149
57 154
58 159

List of values

[0, 5, 10, 15, 13, 18, 23, 28, 33, 31, 36, 41, 39, 44, 42, 47, 52, 50, 55, 60, 65, 70, 68, 73, 78, 83, 88, 86, 91, 96, 94, 99, 97, 102, 107, 105, 110, 115, 113, 118, 116, 114, 119, 117, 122, 127, 125, 130, 135, 133, 138, 136, 141, 146, 144, 149, 154, 159]