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A203426 as a simple table

n a(n)
1 1
2 -12
3 -2304
4 9216000
5 955514880000
6 -3083393008926720000
7 -362115253665574567280640000
8 1773553697494609431031516590243840000
9 408626771902758012909661422392180736000000000000
10 -4933225232839126697329071833709661506078108549120000000000000 

[1,-12,-2304,9216000,955514880000,
 -3083393008926720000,-362115253665574567280640000,
 1773553697494609431031516590243840000,
 408626771902758012909661422392180736000000000000,
 -4933225232839126697329071833709661506078108549120\
 000000000000]

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Last modified August 13 00:55 EDT 2024. Contains 375113 sequences. (Running on oeis4.)