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A275530
as a simple table
n
a(n)
0
3
1
3
2
3
3
9
4
3
5
3
6
3
7
113
8
331
9
513
10
827
11
799
12
3291
13
5041
14
71
15
220221
16
23891
17
11559
18
187503
19
35963
[3,3,3,9,3,3,3,113,331,513,827,799,3291,5041,71, 220221,23891,11559,187503,35963]