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A218954
as a simple table
n
a(n)
0
1
1
1
2
0
3
1
4
2
5
3
6
6
7
6
8
42
9
39
10
85
11
104
12
686
13
617
[1,1,0,1,2,3,6,6,42,39,85,104,686,617]