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A009108 as a simple table

n a(n)
0 1
1 0
2 -2
3 3
4 1
5 -30
6 164
7 -525
8 -391
9 22428
10 -206686
11 1039995
12 1161337
13 -96216978
14 1241356024
15 -8517557685
16 -12681799919
17 1373978443800
18 -22791296600794
19 198084321525267
20 368659923645521
21 -49339565916861990

[1,0,-2,3,1,-30,164,-525,-391,22428,-206686,
 1039995,1161337,-96216978,1241356024,-8517557685,
 -12681799919,1373978443800,-22791296600794,
 198084321525267,368659923645521,
 -49339565916861990]

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Last modified May 8 23:08 EDT 2024. Contains 372341 sequences. (Running on oeis4.)