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A221532
as a simple table
n
a(n)
1
10
2
45
3
150
4
756
5
1530
6
5100
7
7301
8
38646
9
42940
10
430263
11
391149
[10,45,150,756,1530,5100,7301,38646,42940,430263, 391149]