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A001067 as a simple table

n a(n)
1 1
2 -1
3 1
4 -1
5 1
6 -691
7 1
8 -3617
9 43867
10 -174611
11 77683
12 -236364091
13 657931
14 -3392780147
15 1723168255201
16 -7709321041217
17 151628697551
18 -26315271553053477373
19 154210205991661
20 -261082718496449122051
21 1520097643918070802691
22 -2530297234481911294093

[1,-1,1,-1,1,-691,1,-3617,43867,-174611,77683,
 -236364091,657931,-3392780147,1723168255201,
 -7709321041217,151628697551,-26315271553053477373,
 154210205991661,-261082718496449122051,
 1520097643918070802691,-2530297234481911294093]

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Last modified March 29 08:08 EDT 2024. Contains 371265 sequences. (Running on oeis4.)