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A226356
as a simple table
n
a(n)
0
0
1
0
2
1
3
2
4
3
5
10
6
20
7
91
8
207
9
792
10
2589
11
17749
12
52997
[0,0,1,2,3,10,20,91,207,792,2589,17749,52997]
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Last modified August 29 23:34 EDT 2024. Contains 375520 sequences. (Running on oeis4.)