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A137315 as a simple table

n a(n)
1 1
2 3
3 7
4 7
5 13
6 13
7 19
8 19
9 31
10 31
11 31
12 31
13 43
14 43
15 43
16 43
17 61
18 61
19 61
20 61
21 67
22 67
23 67
24 67
25 91
26 91
27 91
28 91
29 91
30 91
31 91
32 91
33 121
34 121
35 121
36 121
37 127
38 127
39 127
40 127
41 151
42 151
43 151
44 151
45 151
46 151
47 151
48 151

[1,3,7,7,13,13,19,19,31,31,31,31,43,43,43,43,61,
 61,61,61,67,67,67,67,91,91,91,91,91,91,91,91,121,
 121,121,121,127,127,127,127,151,151,151,151,151,
 151,151,151]

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Last modified May 14 04:48 EDT 2021. Contains 343872 sequences. (Running on oeis4.)