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A134590
as a simple table
n
a(n)
1
2
2
5
3
63
4
112
5
140
6
315
7
364
8
1261
9
3025260
10
3730654144
11
5513566500
12
28558451740
[2,5,63,112,140,315,364,1261,3025260,3730654144, 5513566500,28558451740]