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A290145
as a simple table
n
a(n)
1
30
2
66
3
102
4
138
5
174
6
210
7
318
8
1110
9
1398
10
6870
11
19866
12
89610
13
291450
14
705990
[30,66,102,138,174,210,318,1110,1398,6870,19866, 89610,291450,705990]