A066084 - OEIS

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A066084 as a simple table

n	a(n)
0	2
1	3
2	8
3	45
4	604
5	14525
6	519126
7	25406647
8	1625742728
9	131682257289
10	13168193068810
11	1593350962156811
12	229442533281561612
13	38775788049859660813
14	7600054456639175731214
15	1710012252725507098368015

[2,3,8,45,604,14525,519126,25406647,1625742728, 131682257289,13168193068810,1593350962156811, 229442533281561612,38775788049859660813, 7600054456639175731214,1710012252725507098368015]