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A218965
as a simple table
n
a(n)
0
0
1
0
2
1
3
2
4
6
5
10
6
34
7
59
8
184
9
359
10
1170
11
2314
12
8322
13
16423
[0,0,1,2,6,10,34,59,184,359,1170,2314,8322,16423]