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A135965 as a simple table

n a(n)
0 1
1 2
2 6
3 35
4 126
5 792
6 3003
7 11440
8 75582
9 293930
10 1961256
11 7726160
12 30421755
13 206253075
14 818809200
15 5567902560
16 22239974430
17 151584480450
18 608359048206
19 2438362177020
20 16735679449896
21 67327446062800
22 462525733568080

[1,2,6,35,126,792,3003,11440,75582,293930,1961256,
 7726160,30421755,206253075,818809200,5567902560,
 22239974430,151584480450,608359048206,
 2438362177020,16735679449896,67327446062800,
 462525733568080]

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Last modified November 29 18:13 EST 2022. Contains 358431 sequences. (Running on oeis4.)