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A183179
as a simple table
n
a(n)
1
2
2
3
3
6
4
23
5
36
6
69
7
561
8
723
9
3438
10
4104
11
9020
12
13977
13
19655
14
32400
[2,3,6,23,36,69,561,723,3438,4104,9020,13977, 19655,32400]