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A087983
as a simple table
n
a(n)
0
1
1
2
2
3
3
6
4
16
5
51
6
220
7
1179
[1,2,3,6,16,51,220,1179]
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Last modified April 26 16:04 EDT 2024. Contains 372003 sequences. (Running on oeis4.)
