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A081967 as a simple table

n a(n)
1 1
2 2
3 8
4 3
5 4
6 18
7 5
8 6
9 7
10 9261000
11 9
12 10
13 11
14 12
15 329422500
16 13
17 14
18 15
19 16
20 17

[1,2,8,3,4,18,5,6,7,9261000,9,10,11,12,329422500,
 13,14,15,16,17]

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Last modified October 16 20:36 EDT 2021. Contains 348047 sequences. (Running on oeis4.)