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A188450 as a simple table

n a(n)
1 0
2 1
3 8
4 66
5 722
6 9955
7 165252
8 3221806
9 72445292
10 1851203574
11 53113148720
12 1694163830194
13 59579694687012 

[0,1,8,66,722,9955,165252,3221806,72445292,
 1851203574,53113148720,1694163830194,
 59579694687012]

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Last modified April 16 18:22 EDT 2024. Contains 371750 sequences. (Running on oeis4.)