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A061580 as a simple table

n a(n)
1 1
2 4
3 16
4 424
5 16816
6 42432424
7 1681612816816
8 42432424483242432424
9 168161281681616321281681612816816
10 42432424483242432424424424128483242432424483242432424

[1,4,16,424,16816,42432424,1681612816816,
 42432424483242432424,
 168161281681616321281681612816816,
 42432424483242432424424424128483242432424483242432\
 424]

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Last modified June 22 01:06 EDT 2021. Contains 345367 sequences. (Running on oeis4.)