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A157591 as a simple table

n a(n)
2 1
3 3
4 354
5 35410
6 3079815
7 254391501
8 20017977868
9 1645049437956
10 130713839323245
11 9274041450918255
12 602446992143570574
13 36862449524697504786
14 2161188475320550751257
15 122528449769743353508305 

[1,3,354,35410,3079815,254391501,20017977868,
 1645049437956,130713839323245,9274041450918255,
 602446992143570574,36862449524697504786,
 2161188475320550751257,122528449769743353508305]

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Last modified April 24 18:05 EDT 2024. Contains 371962 sequences. (Running on oeis4.)