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A045758 as a simple table

n a(n)
0 1
1 20
2 200
3 1340
4 6800
5 29028
6 108120
7 355980
8 1047840
9 2793140
10 6830056 

[1,20,200,1340,6800,29028,108120,355980,1047840,
 2793140,6830056]

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Last modified September 12 07:57 EDT 2024. Contains 375850 sequences. (Running on oeis4.)