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A307786 as a simple table

n a(n)
0 1
1 1
2 2
3 5
4 14
5 44
6 148
7 528
8 1972
9 7647
10 30605
11 125801
12 529131
13 2270481
14 9914870
15 43973755
16 197744417
17 900327160
18 4145285618
19 19280282194
20 90507546094
21 428476211848
22 2044274855774
23 9823314566417
24 47516954475991
25 231260870664189

[1,1,2,5,14,44,148,528,1972,7647,30605,125801,
 529131,2270481,9914870,43973755,197744417,
 900327160,4145285618,19280282194,90507546094,
 428476211848,2044274855774,9823314566417,
 47516954475991,231260870664189]

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Last modified August 9 21:08 EDT 2022. Contains 356026 sequences. (Running on oeis4.)