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A009308 as a simple table

n a(n)
0 0
1 1
2 -2
3 6
4 -27
5 159
6 -1166
7 10238
8 -104794
9 1225453
10 -16119336
11 235574622
12 -3786965344
13 66410682571
14 -1261666673216
15 25812801065366
16 -565833283234896
17 13230321868853913
18 -328685995742718848
19 8646006262194855830

[0,1,-2,6,-27,159,-1166,10238,-104794,1225453,
 -16119336,235574622,-3786965344,66410682571,
 -1261666673216,25812801065366,-565833283234896,
 13230321868853913,-328685995742718848,
 8646006262194855830]

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Last modified September 17 20:56 EDT 2024. Contains 375990 sequences. (Running on oeis4.)