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A001142 as a simple table

n a(n)
0 1
1 1
2 2
3 9
4 96
5 2500
6 162000
7 26471025
8 11014635520
9 11759522374656
10 32406091200000000
11 231627686043080250000
12 4311500661703860387840000
13 209706417310526095716965894400
14 26729809777664965932590782608648192

[1,1,2,9,96,2500,162000,26471025,11014635520,
 11759522374656,32406091200000000,
 231627686043080250000,4311500661703860387840000,
 209706417310526095716965894400,
 26729809777664965932590782608648192]

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Last modified April 25 06:14 EDT 2024. Contains 371964 sequences. (Running on oeis4.)