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.

A079438 a(0) = a(1) = 1, a(n) = 2*(floor((n+1)/3) + (if n >= 14) (floor((n-10)/4) + floor((n-14)/8))).

Table of values

n a(n)
0 1
1 1
2 2
3 2
4 2
5 4
6 4
7 4
8 6
9 6
10 6
11 8
12 8
13 8
14 12
15 12
16 12
17 14
18 16
19 16
20 18
21 18
22 22
23 24
24 24
25 24
26 28
27 28
28 28
29 30
30 34
31 34
32 36
33 36
34 38
35 40
36 40
37 40
38 46
39 46
40 46
41 48
42 50
43 50
44 52
45 52
46 56
47 58
48 58
49 58
50 62
51 62
52 62
53 64
54 68
55 68
56 70
57 70
58 72
59 74
60 74
61 74
62 80
63 80
64 80
65 82
66 84
67 84
68 86
69 86
70 90
71 92
72 92
73 92

List of values

[1, 1, 2, 2, 2, 4, 4, 4, 6, 6, 6, 8, 8, 8, 12, 12, 12, 14, 16, 16, 18, 18, 22, 24, 24, 24, 28, 28, 28, 30, 34, 34, 36, 36, 38, 40, 40, 40, 46, 46, 46, 48, 50, 50, 52, 52, 56, 58, 58, 58, 62, 62, 62, 64, 68, 68, 70, 70, 72, 74, 74, 74, 80, 80, 80, 82, 84, 84, 86, 86, 90, 92, 92, 92]

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

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