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A063544
as a simple table
n
a(n)
3
1
4
1
5
2
6
4
7
11
8
30
9
89
10
250
11
776
12
2236
13
7147
14
20979
15
68448
[1,1,2,4,11,30,89,250,776,2236,7147,20979,68448]