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.

A163980 a(n) = 2*n + (-1)^n.

Table of values

n a(n)
1 1
2 5
3 5
4 9
5 9
6 13
7 13
8 17
9 17
10 21
11 21
12 25
13 25
14 29
15 29
16 33
17 33
18 37
19 37
20 41
21 41
22 45
23 45
24 49
25 49
26 53
27 53
28 57
29 57
30 61
31 61
32 65
33 65
34 69
35 69
36 73
37 73
38 77
39 77
40 81
41 81
42 85
43 85
44 89
45 89
46 93
47 93
48 97
49 97
50 101
51 101
52 105
53 105
54 109
55 109
56 113
57 113
58 117
59 117
60 121
61 121
62 125
63 125
64 129
65 129
66 133

List of values

[1, 5, 5, 9, 9, 13, 13, 17, 17, 21, 21, 25, 25, 29, 29, 33, 33, 37, 37, 41, 41, 45, 45, 49, 49, 53, 53, 57, 57, 61, 61, 65, 65, 69, 69, 73, 73, 77, 77, 81, 81, 85, 85, 89, 89, 93, 93, 97, 97, 101, 101, 105, 105, 109, 109, 113, 113, 117, 117, 121, 121, 125, 125, 129, 129, 133]

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

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