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A072216
as a simple table
n
a(n)
1
5
2
89
3
187
4
1297
5
10911
6
150296
7
9008299
8
15002893
9
140669390
10
1005499526
11
10087799570
[5,89,187,1297,10911,150296,9008299,15002893, 140669390,1005499526,10087799570]