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A051863
as a simple table
n
a(n)
1
1
2
1
3
4
4
27
5
248
6
2830
7
38232
8
593859
9
10401712
10
202601898
11
4342263000
[1,1,4,27,248,2830,38232,593859,10401712, 202601898,4342263000]
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Last modified April 23 19:56 EDT 2024. Contains 371916 sequences. (Running on oeis4.)
