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A069542
as a simple table
n
a(n)
1
7
2
70
3
133
4
322
5
511
6
700
7
1015
8
1141
9
1204
10
1330
11
2023
12
2212
13
2401
14
3031
15
3220
[7,70,133,322,511,700,1015,1141,1204,1330,2023, 2212,2401,3031,3220]