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.

A316628 a(1)=1, a(2)=2, a(3)=2, a(4)=3; a(n) = a(n-a(n-1))+a(n-1-a(n-2)-a(n-2-a(n-2))) for n > 4.

Table of values

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

List of values

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

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

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