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A007878
as a simple table
n
a(n)
1
1
2
2
3
5
4
16
5
59
6
246
7
1103
8
5247
9
26059
10
133881
11
706799
12
3815311
13
20979619
14
117178725
[1,2,5,16,59,246,1103,5247,26059,133881,706799, 3815311,20979619,117178725]
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Last modified April 23 18:16 EDT 2024. Contains 371916 sequences. (Running on oeis4.)
