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.

A283426 a(1) = a(2) = a(3) = a(4) = 1; a(n) = a(n-a(n-2)-1) + a(n-a(n-4)-2) for n > 4.

Table of values

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

List of values

[1, 1, 1, 1, 2, 2, 2, 4, 4, 4, 4, 4, 6, 8, 8, 6, 8, 8, 8, 8, 8, 10, 14, 14, 12, 12, 12, 12, 14, 14, 14, 16, 16, 16, 16, 16, 16, 16, 18, 24, 24, 22, 22, 16, 18, 24, 26, 28, 24, 22, 26, 24, 24, 28, 26, 26, 28, 26, 28, 32, 30, 30, 32, 30, 32, 32, 32, 32, 32, 32, 32, 34, 42, 42]