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A087568
as a simple table
n
a(n)
2
2
3
3
4
13
5
5
6
31
7
7
8
337
9
73
10
30241
11
11
12
1321
13
13
14
121080961
15
211
16
241
17
17
18
307
19
19
20
6841
[2,3,13,5,31,7,337,73,30241,11,1321,13,121080961, 211,241,17,307,19,6841]
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Last modified April 18 06:12 EDT 2024. Contains 371769 sequences. (Running on oeis4.)
