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A112113 as a simple table

n a(n)
1 1
2 1
3 -4
4 28
5 -236
6 2159
7 -20309
8 189387
9 -1696165
10 14092143
11 -103605487
12 621674576
13 -2503235595
14 1311059747
15 58857366823
16 -625935119621
17 20416246154579
18 -595556154741631
19 9331660766550500
20 -50486760747953952
21 -816026626910008666

[1,1,-4,28,-236,2159,-20309,189387,-1696165,
 14092143,-103605487,621674576,-2503235595,
 1311059747,58857366823,-625935119621,
 20416246154579,-595556154741631,9331660766550500,
 -50486760747953952,-816026626910008666]

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Last modified August 19 05:06 EDT 2022. Contains 356216 sequences. (Running on oeis4.)