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A344488
as a simple table
n
a(n)
1
1
2
2
3
3
4
7
5
47
6
181
7
1307
8
2503
9
40973
10
46833
11
109177
12
2885373
13
11744311
14
192968969
15
899988745
[1,2,3,7,47,181,1307,2503,40973,46833,109177, 2885373,11744311,192968969,899988745]