A207195 - OEIS

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A207195 as a simple table

n	a(n)
1	3
2	81
3	12534
4	12539372
5	82169395789
6	3560964505762489
7	1025697542018363494742
8	1959801984026721315634303343

[3,81,12534,12539372,82169395789,3560964505762489, 1025697542018363494742, 1959801984026721315634303343]