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.

A168237 a(n) = (6*n + 3*(-1)^n - 3)/4.

Table of values

n a(n)
0 0
1 0
2 3
3 3
4 6
5 6
6 9
7 9
8 12
9 12
10 15
11 15
12 18
13 18
14 21
15 21
16 24
17 24
18 27
19 27
20 30
21 30
22 33
23 33
24 36
25 36
26 39
27 39
28 42
29 42
30 45
31 45
32 48
33 48
34 51
35 51
36 54
37 54
38 57
39 57
40 60
41 60
42 63
43 63
44 66
45 66
46 69
47 69
48 72
49 72
50 75
51 75
52 78
53 78
54 81
55 81
56 84
57 84
58 87
59 87
60 90
61 90
62 93
63 93
64 96
65 96
66 99
67 99
68 102
69 102
70 105
71 105

List of values

[0, 0, 3, 3, 6, 6, 9, 9, 12, 12, 15, 15, 18, 18, 21, 21, 24, 24, 27, 27, 30, 30, 33, 33, 36, 36, 39, 39, 42, 42, 45, 45, 48, 48, 51, 51, 54, 54, 57, 57, 60, 60, 63, 63, 66, 66, 69, 69, 72, 72, 75, 75, 78, 78, 81, 81, 84, 84, 87, 87, 90, 90, 93, 93, 96, 96, 99, 99, 102, 102, 105, 105]

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

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