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A012034 as a simple table

n a(n)
0 1
1 1
2 1
3 -1
4 -7
5 1
6 121
7 111
8 -4271
9 -9407
10 262801
11 957791
12 -25257079
13 -131065791
14 3510517193
15 23876150351
16 -667413187039
17 -5645293077119
18 166471455235489
19 1689130316350143
20 -52750545434135399

[1,1,1,-1,-7,1,121,111,-4271,-9407,262801,957791,
 -25257079,-131065791,3510517193,23876150351,
 -667413187039,-5645293077119,166471455235489,
 1689130316350143,-52750545434135399]

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Last modified June 29 23:00 EDT 2022. Contains 354913 sequences. (Running on oeis4.)