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A086621 as a simple table

n a(n)
0 1
1 3
2 14
3 79
4 504
5 3514
6 26172
7 204831
8 1664696
9 13930840
10 119312544
11 1041227642
12 9228614836
13 82867255956
14 752405060536
15 6897376441167
16 63760133568096
17 593763928313128
18 5565678569009328
19 52475976165495960
20 497376657383374560
21 4736680863568248480
22 45304174896889357440

[1,3,14,79,504,3514,26172,204831,1664696,13930840,
 119312544,1041227642,9228614836,82867255956,
 752405060536,6897376441167,63760133568096,
 593763928313128,5565678569009328,
 52475976165495960,497376657383374560,
 4736680863568248480,45304174896889357440]

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Last modified May 13 02:02 EDT 2021. Contains 343836 sequences. (Running on oeis4.)