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A372853
as a simple table
n
a(n)
1
1
2
1
3
2
4
6
5
15
6
51
7
206
8
1297
9
11742
10
143095
11
2056120
12
32337106
[1,1,2,6,15,51,206,1297,11742,143095,2056120, 32337106]
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Last modified August 21 08:16 EDT 2024. Contains 375345 sequences. (Running on oeis4.)