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A253774 as a simple table

n a(n)
1 1
2 3
3 15
4 81
5 327
6 357
7 685
8 831
9 861
10 1405
11 38571
12 78127
13 216487
14 546121
15 622615 

[1,3,15,81,327,357,685,831,861,1405,38571,78127,
 216487,546121,622615]

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Last modified September 13 03:07 EDT 2024. Contains 375857 sequences. (Running on oeis4.)