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A197593
as a simple table
n
a(n)
1
1
2
1
3
4
4
18
5
98
6
1460
7
35691
8
1385653
9
113578137
10
17175107452
11
4747357788947
12
2462207136693903
[1,1,4,18,98,1460,35691,1385653,113578137, 17175107452,4747357788947,2462207136693903]
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Last modified September 15 20:25 EDT 2024. Contains 375955 sequences. (Running on oeis4.)
