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A296056 as a simple table

n a(n)
1 1
2 -2
3 -1400
4 -679140000
5 -122489812645200000
6 -6931927717187904217987200000
7 -114287375178291587421201860354580633600000
8 -527655997339226839875614785993553970321322576128000000000
9 -666218073328701414704702576237379472614149140939534461737723520000000000000 

[1,-2,-1400,-679140000,-122489812645200000,
 -6931927717187904217987200000,
 -114287375178291587421201860354580633600000,
 -5276559973392268398756147859935539703213225761280\
 00000000,
 -6662180733287014147047025762373794726141491409395\
 34461737723520000000000000]

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Last modified May 1 20:04 EDT 2024. Contains 372176 sequences. (Running on oeis4.)