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A193611
as a simple table
n
a(n)
1
4
2
64
3
4096
4
1048580
5
1073745920
6
4398046511104
7
72057594037927936
[4,64,4096,1048580,1073745920,4398046511104, 72057594037927936]
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Last modified July 14 12:28 EDT 2024. Contains 374318 sequences. (Running on oeis4.)
