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A331396 as a simple table

n a(n)
1 1
2 12
3 124
4 1280
5 13456
6 143808
7 1556416
8 17006592
9 187207936
10 2072947712
11 23063919616
12 257634271232
13 2887544049664
14 32456082440192
15 365710391885824
16 4129672996585472
17 46721752249729024
18 529486122704437248
19 6009576477811277824
20 68299997524116111360 

[1,12,124,1280,13456,143808,1556416,17006592,
 187207936,2072947712,23063919616,257634271232,
 2887544049664,32456082440192,365710391885824,
 4129672996585472,46721752249729024,
 529486122704437248,6009576477811277824,
 68299997524116111360]

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Last modified April 23 07:16 EDT 2024. Contains 371905 sequences. (Running on oeis4.)