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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.

A316627 a(1)=2, a(2)=3; a(n) = a(n+1-a(n-1))+a(n-a(n-2)) for n > 2.

Table of values

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

List of values

[2, 3, 4, 4, 5, 6, 6, 7, 8, 8, 8, 9, 10, 10, 11, 12, 12, 12, 13, 14, 14, 15, 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, 33, 34, 34, 35, 36, 36, 36, 37, 38, 38, 39, 40, 40, 40, 40, 41, 42, 42]

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

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