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.

A079354 a(1)=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 6
5 9
6 8
7 7
8 6
9 5
10 8
11 11
12 14
13 17
14 16
15 19
16 18
17 17
18 16
19 15
20 18
21 21
22 24
23 27
24 26
25 29
26 28
27 27
28 26
29 25
30 28
31 31
32 34
33 37
34 36
35 39
36 38
37 37
38 36
39 35
40 38
41 41
42 44
43 47
44 46
45 49
46 48
47 47
48 46
49 45
50 48
51 51
52 54
53 57
54 56
55 59
56 58
57 57
58 56
59 55
60 58
61 61
62 64
63 67
64 66
65 69
66 68
67 67
68 66
69 65
70 68
71 71
72 74
73 77

List of values

[1, 4, 7, 6, 9, 8, 7, 6, 5, 8, 11, 14, 17, 16, 19, 18, 17, 16, 15, 18, 21, 24, 27, 26, 29, 28, 27, 26, 25, 28, 31, 34, 37, 36, 39, 38, 37, 36, 35, 38, 41, 44, 47, 46, 49, 48, 47, 46, 45, 48, 51, 54, 57, 56, 59, 58, 57, 56, 55, 58, 61, 64, 67, 66, 69, 68, 67, 66, 65, 68, 71, 74, 77]

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

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