A098205 - OEIS

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A098205 as a simple table

n	a(n)
1	0
2	9
3	70
4	539
5	6050
6	78819
7	1340212
8	25464389
9	585681476
10	16984763645
11	526527673956
12	19481523937741
13	798742481449062
14	34345926702311515
15	1614258555008643414
16	85555703415458103751
17	5047786501512028124790

[0,9,70,539,6050,78819,1340212,25464389,585681476, 16984763645,526527673956,19481523937741, 798742481449062,34345926702311515, 1614258555008643414,85555703415458103751, 5047786501512028124790]