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A009053 as a simple table

n a(n)
0 1
1 0
2 -1
3 3
4 -14
5 80
6 -526
7 3906
8 -32192
9 290016
10 -2816056
11 29050120
12 -313052024
13 3442154352
14 -37060529416
15 353733158520
16 -1866295941824
17 -42066299646976
18 2247562825065152
19 -73960387213018176
20 2159580310527713536

[1,0,-1,3,-14,80,-526,3906,-32192,290016,-2816056,
 29050120,-313052024,3442154352,-37060529416,
 353733158520,-1866295941824,-42066299646976,
 2247562825065152,-73960387213018176,
 2159580310527713536]

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Last modified March 25 15:02 EDT 2019. Contains 321470 sequences. (Running on oeis4.)