A172745 - OEIS

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A172745 as a simple table

n	a(n)
1	1
2	8953
3	176703337
4	2108358849529
5	37642786694586601
6	800511109831448931841
7	18674647115259946003114993
8	473652951543995073451549187737
9	12810903082325592313645532408260249

[1,8953,176703337,2108358849529,37642786694586601, 800511109831448931841,18674647115259946003114993, 473652951543995073451549187737, 12810903082325592313645532408260249]