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A012129 as a simple table

n a(n)
0 1
1 -3
2 41
3 -1243
4 65681
5 -5335283
6 616216121
7 -95919970123
8 19349625251361
9 -4909180152449763
10 1529770153928451401
11 -574346328696763158203
12 255703860384773029976241
13 -133196988269151890206719443 

[1,-3,41,-1243,65681,-5335283,616216121,
 -95919970123,19349625251361,-4909180152449763,
 1529770153928451401,-574346328696763158203,
 255703860384773029976241,
 -133196988269151890206719443]

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Last modified December 5 19:51 EST 2023. Contains 367593 sequences. (Running on oeis4.)