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A147426
as a simple table
n
a(n)
1
1
2
1
3
1
4
1
5
1
6
1
7
1
8
5
9
15
10
25
11
53
12
121
13
291
14
811
15
2486
[1,1,1,1,1,1,1,5,15,25,53,121,291,811,2486]
