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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.

A278055 Relative of Hofstadter Q-sequence: a(1) = 1, a(2) = 2, a(3) = 3, a(4) = 4, a(5) = 5; a(n) = a(n-a(n-1)) + a(n-a(n-2)) + a(n-a(n-3)) for n > 5.

Table of values

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

List of values

[1, 2, 3, 4, 5, 6, 6, 7, 8, 9, 9, 10, 11, 12, 12, 13, 14, 15, 15, 16, 17, 17, 18, 18, 19, 20, 21, 21, 22, 23, 24, 24, 25, 26, 26, 27, 27, 28, 29, 30, 30, 31, 32, 33, 33, 34, 35, 35, 36, 36, 37, 38, 39, 39, 40, 41, 42, 42, 43, 44, 44, 45, 45, 46, 47, 48, 48, 49, 50, 50, 51]

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

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