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.

A046699 a(1) = a(2) = 1, a(n) = a(n - a(n-1)) + a(n-1 - a(n-2)) if n > 2.

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

List of values

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