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A125143 as a simple table

n a(n)
0 1
1 -3
2 9
3 -3
4 -279
5 2997
6 -19431
7 65853
8 292329
9 -7202523
10 69363009
11 -407637387
12 702049401
13 17222388453
14 -261933431751
15 2181064727997
16 -10299472204311
17 -15361051476987
18 900537860383569
19 -10586290198314843
20 74892552149042721
21 -235054958584593843

[1,-3,9,-3,-279,2997,-19431,65853,292329,-7202523,
 69363009,-407637387,702049401,17222388453,
 -261933431751,2181064727997,-10299472204311,
 -15361051476987,900537860383569,
 -10586290198314843,74892552149042721,
 -235054958584593843]

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Last modified March 29 02:23 EDT 2024. Contains 371264 sequences. (Running on oeis4.)