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.

A061891 a(0) = 1; for n>0, a(n) = a(n-1) if n is already in the sequence, a(n) = a(n-1) + 3 otherwise.

Table of values

n a(n)
0 1
1 1
2 4
3 7
4 7
5 10
6 13
7 13
8 16
9 19
10 19
11 22
12 25
13 25
14 28
15 31
16 31
17 34
18 37
19 37
20 40
21 43
22 43
23 46
24 49
25 49
26 52
27 55
28 55
29 58
30 61
31 61
32 64
33 67
34 67
35 70
36 73
37 73
38 76
39 79
40 79
41 82
42 85
43 85
44 88
45 91
46 91
47 94
48 97
49 97
50 100
51 103
52 103
53 106
54 109
55 109
56 112
57 115
58 115
59 118
60 121
61 121
62 124

List of values

[1, 1, 4, 7, 7, 10, 13, 13, 16, 19, 19, 22, 25, 25, 28, 31, 31, 34, 37, 37, 40, 43, 43, 46, 49, 49, 52, 55, 55, 58, 61, 61, 64, 67, 67, 70, 73, 73, 76, 79, 79, 82, 85, 85, 88, 91, 91, 94, 97, 97, 100, 103, 103, 106, 109, 109, 112, 115, 115, 118, 121, 121, 124]

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

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