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A170945
as a simple table
n
a(n)
2
3
3
11
4
27
5
41
6
73
7
53
8
43
9
103
10
1321
11
497867
12
323
13
467
14
11311
15
20141
16
12169
17
232159532264041847249
[3,11,27,41,73,53,43,103,1321,497867,323,467, 11311,20141,12169,232159532264041847249]