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A184954
as a simple table
n
a(n)
0
0
1
0
2
0
3
0
4
0
5
1
6
1
7
7
8
388
9
406824
10
1125022325
11
3813549359274
[0,0,0,0,0,1,1,7,388,406824,1125022325, 3813549359274]
