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A264657 as a simple table

n a(n)
1 1
2 3
3 8
4 38
5 223
6 2412
7 26400
8 371328
9 5636096
10 92242944
11 2278149120
12 57145347072
13 1607327566848
14 49562666560512 

[1,3,8,38,223,2412,26400,371328,5636096,92242944,
 2278149120,57145347072,1607327566848,
 49562666560512]

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Last modified December 4 00:34 EST 2023. Contains 367541 sequences. (Running on oeis4.)