A231912 - OEIS

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A231912 as a simple table

n	a(n)
1	81
2	1343
3	297099
4	37368831
5	5429359691
6	773715251151
7	110990326144979
8	15884702484388182
9	2275591494430084667
10	325937972103649786186
11	46688804457469452724529
12	6687809241018720031142585

[81,1343,297099,37368831,5429359691,773715251151, 110990326144979,15884702484388182, 2275591494430084667,325937972103649786186, 46688804457469452724529,6687809241018720031142585]