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A005441
as a simple table
n
a(n)
2
1
3
1
4
4
5
4
6
9
7
8
8
55
9
21
10
104
11
62
12
429
13
196
14
800
15
698
16
4674
17
2070
18
7721
19
7154
[1,1,4,4,9,8,55,21,104,62,429,196,800,698,4674, 2070,7721,7154]