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A012038 as a simple table

n a(n)
0 1
1 -1
2 9
3 -201
4 8753
5 -634481
6 69292281
7 -10655767929
8 2197620415201
9 -585914236294753
10 196238045270790761
11 -80691386297887323561
12 39976011626025680236049
13 -23490521419525456192130001

[1,-1,9,-201,8753,-634481,69292281,-10655767929,
 2197620415201,-585914236294753,196238045270790761,
 -80691386297887323561,39976011626025680236049,
 -23490521419525456192130001]

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Last modified April 24 16:34 EDT 2024. Contains 371961 sequences. (Running on oeis4.)