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A205804 as a simple table

n a(n)
1 1
2 1
3 2
4 5
5 19
6 90
7 510
8 3395
9 25831
10 221140
11 2104310
12 22027170
13 251540795
14 3111928820
15 41460769350
16 591847005749
17 9011786683883
18 145794610986004
19 2497443795363566
20 45157627509568965
21 859494143391347310
22 17176870199851102510
23 359623890969235361700

[1,1,2,5,19,90,510,3395,25831,221140,2104310,
 22027170,251540795,3111928820,41460769350,
 591847005749,9011786683883,145794610986004,
 2497443795363566,45157627509568965,
 859494143391347310,17176870199851102510,
 359623890969235361700]

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Last modified September 22 19:36 EDT 2021. Contains 347608 sequences. (Running on oeis4.)