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.

A045412 a(1)=3; 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 3
2 6
3 7
4 10
5 13
6 14
7 15
8 18
9 21
10 22
11 25
12 28
13 29
14 30
15 31
16 34
17 37
18 38
19 41
20 44
21 45
22 46
23 49
24 52
25 53
26 56
27 59
28 60
29 61
30 62
31 63
32 66
33 69
34 70
35 73
36 76
37 77
38 78
39 81
40 84
41 85
42 88
43 91
44 92
45 93
46 94
47 97
48 100
49 101
50 104
51 107
52 108
53 109
54 112
55 115
56 116
57 119
58 122
59 123
60 124
61 125
62 126

List of values

[3, 6, 7, 10, 13, 14, 15, 18, 21, 22, 25, 28, 29, 30, 31, 34, 37, 38, 41, 44, 45, 46, 49, 52, 53, 56, 59, 60, 61, 62, 63, 66, 69, 70, 73, 76, 77, 78, 81, 84, 85, 88, 91, 92, 93, 94, 97, 100, 101, 104, 107, 108, 109, 112, 115, 116, 119, 122, 123, 124, 125, 126]

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

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