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A172403 as a simple table

n a(n)
0 1
1 1
2 5
3 51
4 1059
5 44620
6 3795202
7 649054326
8 222639357434
9 152968659433948
10 210361428050679489
11 578800452225641673965
12 3185715127946958245708501
13 35071788327149162320178667272
14 772254422082165524711277630023576 

[1,1,5,51,1059,44620,3795202,649054326,
 222639357434,152968659433948,210361428050679489,
 578800452225641673965,3185715127946958245708501,
 35071788327149162320178667272,
 772254422082165524711277630023576]

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Last modified June 8 08:55 EDT 2024. Contains 373207 sequences. (Running on oeis4.)