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A171198 as a simple table

n a(n)
0 1
1 1
2 17
3 689
4 53777
5 7805201
6 2138582801
7 1132509669905
8 1178804946216209
9 2433551908785577745
10 10007244528797884954897
11 82140401194398306308608785
12 1347106337625031145913841134865
13 44163564651481078406730693648713489

[1,1,17,689,53777,7805201,2138582801,
 1132509669905,1178804946216209,
 2433551908785577745,10007244528797884954897,
 82140401194398306308608785,
 1347106337625031145913841134865,
 44163564651481078406730693648713489]

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Last modified August 3 16:28 EDT 2021. Contains 346439 sequences. (Running on oeis4.)