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A212847 as a simple table

n a(n)
0 1
1 -2
2 -2
3 22
4 94
5 -890
6 -9170
7 67030
8 1495870
9 -6581210
10 -362016050
11 194447350
12 120002960350
13 554823694150
14 -51277487618450
15 -601106981110250
16 26775789844186750
17 591304973974171750
18 -16113120605399179250

[1,-2,-2,22,94,-890,-9170,67030,1495870,-6581210,
 -362016050,194447350,120002960350,554823694150,
 -51277487618450,-601106981110250,
 26775789844186750,591304973974171750,
 -16113120605399179250]

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Last modified March 28 05:39 EDT 2024. Contains 371235 sequences. (Running on oeis4.)