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A009060 as a simple table

n a(n)
0 1
1 -1
2 9
3 -57
4 497
5 -9169
6 -299079
7 7650615
8 -160774303
9 24228427487
10 1725345708777
11 -79802910103257
12 -2815860329426863
13 -984434470218538993
14 -121507651305985736295
15 12515845746505026745239

[1,-1,9,-57,497,-9169,-299079,7650615,-160774303,
 24228427487,1725345708777,-79802910103257,
 -2815860329426863,-984434470218538993,
 -121507651305985736295,12515845746505026745239]

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Last modified June 6 19:21 EDT 2024. Contains 373134 sequences. (Running on oeis4.)