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A209070 as a simple table

n a(n)
1 1
2 6
3 30
4 223
5 1722
6 14431
7 125428
8 1125484
9 10331019
10 96583955
11 916363757
12 8801147754
13 85402605777

[1,6,30,223,1722,14431,125428,1125484,10331019,
 96583955,916363757,8801147754,85402605777]

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Last modified March 29 06:57 EDT 2024. Contains 371265 sequences. (Running on oeis4.)