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A309257 as a simple table

n a(n)
1 1
2 3
3 18
4 80
5 75
6 3087
7 196
8 1440
9 405
10 6325
11 726
12 7488
13 1183
14 11025
15 1800 

[1,3,18,80,75,3087,196,1440,405,6325,726,7488,
 1183,11025,1800]

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Last modified May 5 04:35 EDT 2024. Contains 372257 sequences. (Running on oeis4.)