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A133279
as a simple table
n
a(n)
1
1
2
0
3
1
4
1
5
7
6
21
7
234
8
2252
9
64420
10
2148355
11
183956671
[1,0,1,1,7,21,234,2252,64420,2148355,183956671]
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Last modified April 19 16:52 EDT 2024. Contains 371794 sequences. (Running on oeis4.)
