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A118997
as a simple table
n
a(n)
1
1
2
4
3
16
4
80
5
8448
6
907904
7
81949952
[1,4,16,80,8448,907904,81949952]
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Last modified April 25 11:39 EDT 2024. Contains 371969 sequences. (Running on oeis4.)
