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A074013 as a simple table

n a(n)
1 0
2 1
3 6
4 20
5 125
6 650
7 3025
8 15750
9 78000
10 390625
11 1952500
12 9765625
13 48831250
14 244125000

[0,1,6,20,125,650,3025,15750,78000,390625,1952500,
 9765625,48831250,244125000]

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Last modified May 2 10:13 EDT 2024. Contains 372196 sequences. (Running on oeis4.)