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A197751
as a simple table
n
a(n)
1
1
2
1
3
10
4
67
5
884
6
19670
7
1109494
8
102276730
9
16849486788
10
5455873268965
[1,1,10,67,884,19670,1109494,102276730, 16849486788,5455873268965]
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Last modified March 29 07:27 EDT 2024. Contains 371265 sequences. (Running on oeis4.)