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A104438
as a simple table
n
a(n)
1
1
2
945
3
55
4
23
5
21
6
20
7
20
8
20
9
20
10
20
11
20
12
20
13
20
14
20
15
20
[1,945,55,23,21,20,20,20,20,20,20,20,20,20,20]