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A071893
as a simple table
n
a(n)
1
1
2
2
3
16
4
86
5
484
6
46
7
5048
8
2529
9
144944
10
5042
11
3348556
12
144938
13
51306028
[1,2,16,86,484,46,5048,2529,144944,5042,3348556, 144938,51306028]