A081466 - OEIS

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A081466 as a simple table

n	a(n)
1	1
2	3
3	8
4	225
5	36992
6	6308330625
7	21009822254496776192
8	3255818067933293622186199316985612890625
9	3264008661830516310447364816658205121507617681188862393654856638929469798612992

[1,3,8,225,36992,6308330625,21009822254496776192, 3255818067933293622186199316985612890625, 32640086618305163104473648166582051215076176811888\ 62393654856638929469798612992]