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A056654
as a simple table
n
a(n)
1
0
2
1
3
2
4
4
5
8
6
10
7
23
8
83
9
220
10
1313
11
2951
12
20015
13
51053
[0,1,2,4,8,10,23,83,220,1313,2951,20015,51053]
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Last modified April 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)
