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A206771 as a simple table

n a(n)
0 0
1 1
2 1
3 9
4 5
5 175
6 189
7 1617
8 429
9 57915
10 60775
11 508079
12 264537
13 8788507
14 9100525
15 75218625
16 9694845
17 5109183315
18 5250613995
19 43106892675
20 22090789875
21 723694276305
22 740104577355
23 6049284520695
24 1543768261425
25 201547523019375

[0,1,1,9,5,175,189,1617,429,57915,60775,508079,
 264537,8788507,9100525,75218625,9694845,
 5109183315,5250613995,43106892675,22090789875,
 723694276305,740104577355,6049284520695,
 1543768261425,201547523019375]

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Last modified March 22 17:25 EDT 2019. Contains 321422 sequences. (Running on oeis4.)