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A232219
as a simple table
n
a(n)
1
1
2
2
3
3
4
11
5
27
6
93
7
233
8
978
9
3156
10
13280
11
44476
12
205611
13
796091
[1,2,3,11,27,93,233,978,3156,13280,44476,205611, 796091]