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A009414 as a simple table

n a(n)
0 0
1 1
2 -1
3 5
4 -12
5 89
6 -345
7 3093
8 -17136
9 178065
10 -1313865
11 15537125
12 -145520364
13 1937055977
14 -22215578385
15 330407321013
16 -4508998213440
17 74499864979361
18 -1181547581150961
19 21576252384049093
20 -389965846387214380

[0,1,-1,5,-12,89,-345,3093,-17136,178065,-1313865,
 15537125,-145520364,1937055977,-22215578385,
 330407321013,-4508998213440,74499864979361,
 -1181547581150961,21576252384049093,
 -389965846387214380]

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Last modified May 18 21:30 EDT 2022. Contains 353825 sequences. (Running on oeis4.)