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A183945 as a simple table

n a(n)
1 1
2 1
3 2
4 8
5 53
6 398
7 3539
8 34847
9 369777
10 4178324
11 49657281
12 615829513
13 7919376470
14 105084836323
15 1433178519184
16 20025465352373
17 285916536136122
18 4162074154247193
19 61656883471361641
20 928025931557339662

[1,1,2,8,53,398,3539,34847,369777,4178324,
 49657281,615829513,7919376470,105084836323,
 1433178519184,20025465352373,285916536136122,
 4162074154247193,61656883471361641,
 928025931557339662]

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Last modified May 14 16:23 EDT 2021. Contains 343884 sequences. (Running on oeis4.)