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A214764 as a simple table

n a(n)
0 1
1 2
2 10
3 60
4 390
5 2660
6 18772
7 138984
8 1107686
9 9576100
10 87944188
11 830857464
12 7876505340
13 73967614584
14 685644645896
15 6289047266480
16 57465415636166
17 528315307772004
18 4947263762389484
19 47785581838822232
20 480797992896880788
21 5058812497153271912

[1,2,10,60,390,2660,18772,138984,1107686,9576100,
 87944188,830857464,7876505340,73967614584,
 685644645896,6289047266480,57465415636166,
 528315307772004,4947263762389484,
 47785581838822232,480797992896880788,
 5058812497153271912]

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Last modified December 3 11:58 EST 2020. Contains 338900 sequences. (Running on oeis4.)