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A128523 as a simple table

n a(n)
1 1
2 1
3 -5
4 44
5 -171
6 3712
7 -3075
8 22528
9 -434875
10 23330816
11 -15141735
12 1098907648
13 -521070165
14 48586817536
15 -8885315439
16 1026497183744
17 -4814195089275
18 134140418588672
19 -324199885098375
20 53339508086669312

[1,1,-5,44,-171,3712,-3075,22528,-434875,23330816,
 -15141735,1098907648,-521070165,48586817536,
 -8885315439,1026497183744,-4814195089275,
 134140418588672,-324199885098375,
 53339508086669312]

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Last modified March 28 14:02 EDT 2024. Contains 371254 sequences. (Running on oeis4.)