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A147114
as a simple table
n
a(n)
1
1
2
1
3
1
4
1
5
1
6
5
7
25
8
81
9
473
10
2129
11
11977
12
83125
13
759723
14
8281919
15
118112177
16
1957920765
[1,1,1,1,1,5,25,81,473,2129,11977,83125,759723, 8281919,118112177,1957920765]