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A012133 as a simple table

n a(n)
0 1
1 -1
2 9
3 -201
4 8369
5 -559601
6 54852729
7 -7411089401
8 1320161221089
9 -299803443573601
10 84543945702681449
11 -28984920596097196201
12 11872728882101557841809
13 -5726623333843769342341201

[1,-1,9,-201,8369,-559601,54852729,-7411089401,
 1320161221089,-299803443573601,84543945702681449,
 -28984920596097196201,11872728882101557841809,
 -5726623333843769342341201]

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Last modified January 16 18:07 EST 2022. Contains 350376 sequences. (Running on oeis4.)