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A003109
as a simple table
n
a(n)
1
1
2
1
3
17
4
117
5
1413
6
46389
7
1211085
8
47977305
9
2302999889
10
137682614769
11
9844042388505
12
832087399629125
[1,1,17,117,1413,46389,1211085,47977305, 2302999889,137682614769,9844042388505, 832087399629125]
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Last modified April 25 13:12 EDT 2024. Contains 371969 sequences. (Running on oeis4.)
