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A128086 as a simple table

n a(n)
0 1
1 1
2 2
3 7
4 24
5 86
6 315
7 1170
8 4389
9 16588
10 63064
11 240901
12 923858
13 3554747
14 13716315
15 53054703
16 205651975
17 798645126
18 3106669575
19 12102626404
20 47210910670
21 184385864445
22 720920510115
23 2821499709615
24 11052719207369
25 43333403693711

[1,1,2,7,24,86,315,1170,4389,16588,63064,240901,
 923858,3554747,13716315,53054703,205651975,
 798645126,3106669575,12102626404,47210910670,
 184385864445,720920510115,2821499709615,
 11052719207369,43333403693711]

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Last modified June 23 05:05 EDT 2021. Contains 345395 sequences. (Running on oeis4.)