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A289197 as a simple table

n a(n)
1 1
2 2
3 72
4 2016
5 22615200
6 61903180800
7 383946391896883200
8 291754347175555891200000
9 1589674150230421751470227456000000
10 653674192758917925444914420184514560000000
11 4669210639701352189820773315967264103247065907200000000

[1,2,72,2016,22615200,61903180800,
 383946391896883200,291754347175555891200000,
 1589674150230421751470227456000000,
 653674192758917925444914420184514560000000,
 46692106397013521898207733159672641032470659072000\
 00000]

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Last modified March 29 08:13 EDT 2024. Contains 371265 sequences. (Running on oeis4.)