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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.

A026242 a(n) = j if n is L(j), else a(n) = k if n is U(k), where L = A000201, U = A001950 (lower and upper Wythoff sequences).

Table of values

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

List of values

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

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

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