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A185275 as a simple table

n a(n)
0 1
1 1
2 3
3 3
4 15
5 15
6 105
7 105
8 945
9 945
10 10395
11 3465
12 45045
13 45045
14 675675
15 675675
16 11486475
17 11486475
18 218243025
19 43648605
20 916620705
21 916620705
22 21082276215
23 2342475135
24 58561878375
25 58561878375
26 1581170716125
27 225881530875
28 6550564395375
29 6550564395375

[1,1,3,3,15,15,105,105,945,945,10395,3465,45045,
 45045,675675,675675,11486475,11486475,218243025,
 43648605,916620705,916620705,21082276215,
 2342475135,58561878375,58561878375,1581170716125,
 225881530875,6550564395375,6550564395375]

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Last modified May 7 06:57 EDT 2021. Contains 343636 sequences. (Running on oeis4.)