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A003017 as a simple table

n a(n)
0 1
1 1
2 2
3 3
4 28
5 605
6 9366
7 116767
8 1310408
9 15812505
10 263924650
11 6018875291
12 148630870092
13 3548481410773
14 82543469312318
15 2000101425252855
16 54347539111582096
17 1678367049470539697
18 56020955060945897298

[1,1,2,3,28,605,9366,116767,1310408,15812505,
 263924650,6018875291,148630870092,3548481410773,
 82543469312318,2000101425252855,54347539111582096,
 1678367049470539697,56020955060945897298]

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Last modified October 4 03:23 EDT 2022. Contains 357237 sequences. (Running on oeis4.)