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.

A080578 a(1)=1; for n > 1, a(n) = a(n-1) + 1 if n is already in the sequence, a(n) = a(n-1) + 3 otherwise.

Table of values

n a(n)
1 1
2 4
3 7
4 8
5 11
6 14
7 15
8 16
9 19
10 22
11 23
12 26
13 29
14 30
15 31
16 32
17 35
18 38
19 39
20 42
21 45
22 46
23 47
24 50
25 53
26 54
27 57
28 60
29 61
30 62
31 63
32 64
33 67
34 70
35 71
36 74
37 77
38 78
39 79
40 82
41 85
42 86
43 89
44 92
45 93
46 94
47 95
48 98
49 101
50 102
51 105
52 108
53 109
54 110
55 113
56 116
57 117
58 120
59 123
60 124
61 125
62 126

List of values

[1, 4, 7, 8, 11, 14, 15, 16, 19, 22, 23, 26, 29, 30, 31, 32, 35, 38, 39, 42, 45, 46, 47, 50, 53, 54, 57, 60, 61, 62, 63, 64, 67, 70, 71, 74, 77, 78, 79, 82, 85, 86, 89, 92, 93, 94, 95, 98, 101, 102, 105, 108, 109, 110, 113, 116, 117, 120, 123, 124, 125, 126]

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

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