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.

A309967 a(1) = a(2) = 1, a(3) = 2, a(4) = 3, a(5) = 8, a(6) = 6, a(7) = a(8) = 4; a(n) = a(n-a(n-1)) + a(n-a(n-4)) for n > 8.

Table of values

n a(n)
1 1
2 1
3 2
4 3
5 8
6 6
7 4
8 4
9 9
10 4
11 8
12 7
13 9
14 12
15 6
16 13
17 7
18 14
19 17
20 6
21 18
22 7
23 19
24 22
25 6
26 23
27 7
28 24
29 27
30 6
31 28
32 7
33 29
34 32
35 6
36 33
37 7
38 34
39 37
40 6
41 38
42 7
43 39
44 42
45 6
46 43
47 7
48 44
49 47
50 6
51 48
52 7
53 49
54 52
55 6
56 53
57 7
58 54
59 57
60 6
61 58
62 7
63 59
64 62
65 6
66 63
67 7
68 64
69 67
70 6
71 68
72 7
73 69
74 72
75 6
76 73
77 7
78 74
79 77
80 6
81 78
82 7

List of values

[1, 1, 2, 3, 8, 6, 4, 4, 9, 4, 8, 7, 9, 12, 6, 13, 7, 14, 17, 6, 18, 7, 19, 22, 6, 23, 7, 24, 27, 6, 28, 7, 29, 32, 6, 33, 7, 34, 37, 6, 38, 7, 39, 42, 6, 43, 7, 44, 47, 6, 48, 7, 49, 52, 6, 53, 7, 54, 57, 6, 58, 7, 59, 62, 6, 63, 7, 64, 67, 6, 68, 7, 69, 72, 6, 73, 7, 74, 77, 6, 78, 7]

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

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