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A052138 as a simple table

n a(n)
1 1
2 -1
3 1
4 -5
5 103
6 -49
7 2971
8 -34409
9 10787
10 -567923
11 4857119
12 -30312479
13 7045653829
14 -77510407993
15 262952596463
16 -58196505296117
17 74362625639717
18 172749391066639
19 -24672728226124829
20 -12265872397466432881
21 1772477431815925044131

[1,-1,1,-5,103,-49,2971,-34409,10787,-567923,
 4857119,-30312479,7045653829,-77510407993,
 262952596463,-58196505296117,74362625639717,
 172749391066639,-24672728226124829,
 -12265872397466432881,1772477431815925044131]

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Last modified March 29 00:26 EDT 2024. Contains 371264 sequences. (Running on oeis4.)