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A229040
as a simple table
n
a(n)
1
0
2
1
3
2
4
3
5
5
6
8
7
21
8
34
9
89
10
610
11
987
12
4181
13
6765
[0,1,2,3,5,8,21,34,89,610,987,4181,6765]