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A156870
as a simple table
n
a(n)
1
1
2
4
3
18
4
168
5
3648
6
298165
7
159628076
[1,4,18,168,3648,298165,159628076]
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Last modified April 23 22:36 EDT 2024. Contains 371917 sequences. (Running on oeis4.)
