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A358327
as a simple table
n
a(n)
0
1
1
0
2
1
3
12
4
304
5
12696
6
778785
7
64118596
8
7014698888
9
965862895732
10
166105870928994
11
34460169208369298
[1,0,1,12,304,12696,778785,64118596,7014698888, 965862895732,166105870928994,34460169208369298]