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A113864
as a simple table
n
a(n)
0
1
1
1
2
2
3
3
4
5
5
7
6
13
7
19
8
36
9
62
10
135
11
312
12
1387
13
11551
14
197343
[1,1,2,3,5,7,13,19,36,62,135,312,1387,11551, 197343]