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A258103
as a simple table
n
a(n)
2
0
3
0
4
1
5
0
6
1
7
3
8
4
9
26
10
87
11
47
12
87
13
0
14
547
15
1303
16
3402
17
0
18
24192
19
187562
[0,0,1,0,1,3,4,26,87,47,87,0,547,1303,3402,0, 24192,187562]