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A319103 as a simple table

n a(n)
0 1
1 3
2 2
3 4
4 11
5 18
6 75
7 621
8 9638
9 1264052
10 1294752365
11 20699153586797
12 43409394810283725529 

[1,3,2,4,11,18,75,621,9638,1264052,1294752365,
 20699153586797,43409394810283725529]

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Last modified April 19 09:23 EDT 2024. Contains 371782 sequences. (Running on oeis4.)