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A015685 as a simple table

n a(n)
0 1
1 -9
2 99
3 -1287
4 19089
5 -316305
6 5772195
7 -114729615
8 2462398785
9 -56674425465
10 1390839617475
11 -36219350942775
12 996780497137425
13 -28887911103276225
14 878916406742849475
15 -27996927397669605375

[1,-9,99,-1287,19089,-316305,5772195,-114729615,
 2462398785,-56674425465,1390839617475,
 -36219350942775,996780497137425,
 -28887911103276225,878916406742849475,
 -27996927397669605375]

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Last modified May 14 04:27 EDT 2021. Contains 343872 sequences. (Running on oeis4.)