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A146413
as a simple table
n
a(n)
1
1
2
1
3
1
4
9
5
29
6
137
7
1117
8
13601
9
257342
10
6436423
11
229848194
12
12134224575
13
927491358387
[1,1,1,9,29,137,1117,13601,257342,6436423, 229848194,12134224575,927491358387]