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A103861 as a simple table

n a(n)
1 1
2 1
3 72
4 4830
5 39899952
6 6226593544
7 355687354472272
8 121615851757531824
9 25500701524255140352000
10 8839501251731586459279018676600
11 8202317101101304783411826869132800 

[1,1,72,4830,39899952,6226593544,355687354472272,
 121615851757531824,25500701524255140352000,
 8839501251731586459279018676600,
 8202317101101304783411826869132800]

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Last modified April 16 03:06 EDT 2024. Contains 371696 sequences. (Running on oeis4.)