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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.

A255437 In positive integers: replace k^2 with the first k odd numbers.

Table of values

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

List of values

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

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