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A216136 as a simple table

n a(n)
0 1
1 1
2 6
3 75
4 1456
5 38560
6 1296786
7 52935680
8 2542934024
9 140557741488
10 8787984793440
11 613224873661752
12 47245653830341176
13 3983499665690137944
14 364844394810538703256
15 36070922050704987248280
16 3828821598701561543783616
17 434302348322255060713797120

[1,1,6,75,1456,38560,1296786,52935680,2542934024,
 140557741488,8787984793440,613224873661752,
 47245653830341176,3983499665690137944,
 364844394810538703256,36070922050704987248280,
 3828821598701561543783616,
 434302348322255060713797120]

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Last modified December 7 22:50 EST 2021. Contains 349590 sequences. (Running on oeis4.)