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.

A081835 a(1)=1, a(n) = a(n-1) + 5 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 18
6 22
7 26
8 30
9 35
10 39
11 43
12 47
13 52
14 56
15 60
16 64
17 68
18 73
19 77
20 81
21 85
22 90
23 94
24 98
25 102
26 107
27 111
28 115
29 119
30 124
31 128
32 132
33 136
34 140
35 145
36 149
37 153
38 157
39 162
40 166
41 170
42 174
43 179
44 183
45 187
46 191
47 196
48 200
49 204
50 208
51 212
52 217
53 221
54 225
55 229
56 234
57 238
58 242

List of values

[1, 5, 9, 13, 18, 22, 26, 30, 35, 39, 43, 47, 52, 56, 60, 64, 68, 73, 77, 81, 85, 90, 94, 98, 102, 107, 111, 115, 119, 124, 128, 132, 136, 140, 145, 149, 153, 157, 162, 166, 170, 174, 179, 183, 187, 191, 196, 200, 204, 208, 212, 217, 221, 225, 229, 234, 238, 242]

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

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