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A197741 as a simple table

n a(n)
1 1
2 5
3 20
4 179
5 3353
6 108281
7 6601649
8 818828659
9 196362508518
10 91040908551719 

[1,5,20,179,3353,108281,6601649,818828659,
 196362508518,91040908551719]

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Last modified March 27 05:46 EDT 2023. Contains 361554 sequences. (Running on oeis4.)