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A006609 as a simple table

n a(n)
4 1
5 2
6 3
7 8
8 19
9 64
10 225
11 928
12 3441
13 17536
14 79259
15 454016
16 2424195
17 15628288
18 94471089
19 679156224
20 4613520889
21 36563599360 

[1,2,3,8,19,64,225,928,3441,17536,79259,454016,
 2424195,15628288,94471089,679156224,4613520889,
 36563599360]

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Last modified April 18 22:18 EDT 2024. Contains 371782 sequences. (Running on oeis4.)