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A137534
as a simple table
n
a(n)
0
1
1
1
2
2
3
6
4
23
5
104
6
530
7
2959
8
17757
9
113000
10
754981
11
5255830
12
37898152
13
281717723
14
2150636759
15
16807757093
[1,1,2,6,23,104,530,2959,17757,113000,754981, 5255830,37898152,281717723,2150636759,16807757093]
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Last modified April 24 18:05 EDT 2024. Contains 371962 sequences. (Running on oeis4.)
