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A160637 as a simple table

n a(n)
0 1
1 1
2 -2
3 -8
4 -32
5 -128
6 1024
7 16384
8 262144
9 4194304
10 -134217728
11 -8589934592
12 -549755813888
13 -35184372088832
14 4503599627370496
15 1152921504606846976
16 295147905179352825856
17 75557863725914323419136
18 -38685626227668133590597632
19 -39614081257132168796771975168

[1,1,-2,-8,-32,-128,1024,16384,262144,4194304,
 -134217728,-8589934592,-549755813888,
 -35184372088832,4503599627370496,
 1152921504606846976,295147905179352825856,
 75557863725914323419136,
 -38685626227668133590597632,
 -39614081257132168796771975168]

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Last modified April 19 17:39 EDT 2024. Contains 371797 sequences. (Running on oeis4.)