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A173409 as a simple table

n a(n)
3 1
4 7
5 41
6 233
7 1357
8 8382
9 56241
10 414991
11 3365633
12 29693227
13 280911761
14 2810638235
15 29409100985
16 319090781677
17 3567590180489
18 40909656141553
19 479411305471567
20 5725306905205953
21 69520621479362969
22 856734086346408633

[1,7,41,233,1357,8382,56241,414991,3365633,
 29693227,280911761,2810638235,29409100985,
 319090781677,3567590180489,40909656141553,
 479411305471567,5725306905205953,
 69520621479362969,856734086346408633]

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Last modified September 29 18:39 EDT 2022. Contains 357090 sequences. (Running on oeis4.)