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A101139
as a simple table
n
a(n)
1
0
2
3
3
5
4
6
5
9
6
15
7
21
8
30
9
1314
10
2063
11
6149
12
8706
13
12251
14
18609
15
21629
16
41711
17
44807
18
45420
[0,3,5,6,9,15,21,30,1314,2063,6149,8706,12251, 18609,21629,41711,44807,45420]