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A317169 as a simple table

n a(n)
0 1
1 1
2 3
3 12
4 61
5 375
6 2699
7 22232
8 206086
9 2122110
10 24023623
11 296474178
12 3960532707
13 56931074109
14 876098828097
15 14369369855760
16 250215898045984
17 4609913757678432
18 89586669708676510
19 1831372328505086980
20 39284382532454768754
21 882269612910279500214
22 20703128006754726971507

[1,1,3,12,61,375,2699,22232,206086,2122110,
 24023623,296474178,3960532707,56931074109,
 876098828097,14369369855760,250215898045984,
 4609913757678432,89586669708676510,
 1831372328505086980,39284382532454768754,
 882269612910279500214,20703128006754726971507]

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Last modified December 5 05:51 EST 2020. Contains 338944 sequences. (Running on oeis4.)