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A147470 as a simple table

n a(n)
1 1
2 1
3 1
4 3
5 5
6 9
7 19
8 55
9 245
10 1021
11 4107
12 20679
13 138093
14 1077295
15 9543083
16 95957809
17 1121795793
18 15620825665
19 256368054863
20 4898555273539
21 109719649027999
22 2878513446258779
23 87946594793312351

[1,1,1,3,5,9,19,55,245,1021,4107,20679,138093,
 1077295,9543083,95957809,1121795793,15620825665,
 256368054863,4898555273539,109719649027999,
 2878513446258779,87946594793312351]

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Last modified August 12 07:10 EDT 2022. Contains 356067 sequences. (Running on oeis4.)