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A130418 as a simple table

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

[1,1,3,1,5,7,1,5,7,11,1,7,11,13,17,1,7,11,13,17,
 19,1,11,13,17,19,23,29,1,11,13,17,19,23,29,31,1,
 11,13,17,19,23,29,31,37,1,11,13,17,19,23,29,31,37,
 41,1,13,17,19,23,29,31,37,41,43,47,1,13,17,19,23,
 29,31,37,41,43]

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Last modified March 28 20:05 EDT 2024. Contains 371254 sequences. (Running on oeis4.)