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A185185
as a simple table
n
a(n)
1
0
2
1
3
2
4
4
5
6
6
19
7
29
8
53
9
2035
10
3995
11
5328
12
10141
13
14675
14
292557
[0,1,2,4,6,19,29,53,2035,3995,5328,10141,14675, 292557]