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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.

A257245 Odd bisection of A257244: a(n) = A257244(2n - 1).

Table of values

n a(n)
1 2
2 3
3 3
4 3
5 3
6 5
7 5
8 3
9 3
10 5
11 7
12 7
13 7
14 3
15 19
16 7
17 5
18 5
19 7
20 5
21 19
22 11
23 13
24 13
25 23
26 13
27 11
28 11
29 61
30 31
31 13
32 19
33 43
34 13
35 7
36 5
37 61
38 31
39 23
40 127
41 7
42 151
43 19
44 181
45 13
46 43
47 31
48 233
49 13
50 13
51 7
52 11
53 19
54 31
55 59
56 31
57 31
58 163
59 41
60 41
61 113
62 11
63 19
64 19
65 409
66 41
67 41
68 41
69 19
70 41
71 113
72 29
73 167
74 13
75 17
76 11
77 179
78 19
79 19
80 13
81 5

List of values

[2, 3, 3, 3, 3, 5, 5, 3, 3, 5, 7, 7, 7, 3, 19, 7, 5, 5, 7, 5, 19, 11, 13, 13, 23, 13, 11, 11, 61, 31, 13, 19, 43, 13, 7, 5, 61, 31, 23, 127, 7, 151, 19, 181, 13, 43, 31, 233, 13, 13, 7, 11, 19, 31, 59, 31, 31, 163, 41, 41, 113, 11, 19, 19, 409, 41, 41, 41, 19, 41, 113, 29, 167, 13, 17, 11, 179, 19, 19, 13, 5]

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