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A137891 as a simple table

n a(n)
1 2
2 24
3 720
4 13824
5 383000
6 14804640
7 764340024
8 50913153536
9 4256161751448
10 436618291524000
11 53955264479804600
12 7908071556041000064
13 1356709951589099693976
14 269380212536429979520928
15 61297096735652845698099000
16 15847986814197933588682229760 

[2,24,720,13824,383000,14804640,764340024,
 50913153536,4256161751448,436618291524000,
 53955264479804600,7908071556041000064,
 1356709951589099693976,269380212536429979520928,
 61297096735652845698099000,
 15847986814197933588682229760]

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Last modified April 25 10:43 EDT 2024. Contains 371967 sequences. (Running on oeis4.)