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A051357 as a simple table

n a(n)
1 1
2 6
3 180
4 37800
5 87318000
6 2622159540000
7 1338638666765400000
8 12984380089637682726000000
9 2896722619368127899492763620000000
10 18740906719713843949122453226304292600000000

[1,6,180,37800,87318000,2622159540000,
 1338638666765400000,12984380089637682726000000,
 2896722619368127899492763620000000,
 18740906719713843949122453226304292600000000]

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Last modified April 25 06:49 EDT 2024. Contains 371964 sequences. (Running on oeis4.)