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.

A006165 a(1) = a(2) = 1; thereafter a(2n+1) = a(n+1) + a(n), a(2n) = 2a(n).

Table of values

n a(n)
1 1
2 1
3 2
4 2
5 3
6 4
7 4
8 4
9 5
10 6
11 7
12 8
13 8
14 8
15 8
16 8
17 9
18 10
19 11
20 12
21 13
22 14
23 15
24 16
25 16
26 16
27 16
28 16
29 16
30 16
31 16
32 16
33 17
34 18
35 19
36 20
37 21
38 22
39 23
40 24
41 25
42 26
43 27
44 28
45 29
46 30
47 31
48 32
49 32
50 32
51 32
52 32
53 32
54 32
55 32
56 32
57 32
58 32
59 32
60 32
61 32
62 32
63 32
64 32
65 33
66 34
67 35
68 36
69 37
70 38
71 39
72 40
73 41
74 42
75 43

List of values

[1, 1, 2, 2, 3, 4, 4, 4, 5, 6, 7, 8, 8, 8, 8, 8, 9, 10, 11, 12, 13, 14, 15, 16, 16, 16, 16, 16, 16, 16, 16, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43]

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

Content is available under The OEIS End-User License Agreement.