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A204241 as a simple table

n a(n)
1 1
2 18
3 457
4 23672
5 1894385
6 222366990
7 35787014405
8 7577453436556
9 2041650829418725
10 682219727134076250
11 276875111860035807025
12 134154122874807259146080
13 76495123111877275062902585
14 50706144718387731766299555750

[1,18,457,23672,1894385,222366990,35787014405,
 7577453436556,2041650829418725,682219727134076250,
 276875111860035807025,134154122874807259146080,
 76495123111877275062902585,
 50706144718387731766299555750]

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Last modified August 27 07:05 EDT 2024. Contains 375462 sequences. (Running on oeis4.)