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A325850
as a simple table
n
a(n)
0
1
1
1
2
2
3
4
4
18
5
72
6
446
7
2804
8
21560
9
184364
10
1788514
[1,1,2,4,18,72,446,2804,21560,184364,1788514]
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Last modified August 4 04:52 EDT 2024. Contains 374905 sequences. (Running on oeis4.)
