A289945 - OEIS

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A289945 as a simple table

n	a(n)
1	1
2	17
3	1313
4	333089
5	207693089
6	268946253089
7	645510228813089
8	2643553803594573089
9	17342764866576345933089
10	173418555892594089945933089
11	2538940579958951120707545933089
12	52646414799433780559063261145933089

[1,17,1313,333089,207693089,268946253089, 645510228813089,2643553803594573089, 17342764866576345933089, 173418555892594089945933089, 2538940579958951120707545933089, 52646414799433780559063261145933089]