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A083594 as a simple table

n a(n)
0 1
1 5
2 -3
3 13
4 -19
5 45
6 -83
7 173
8 -339
9 685
10 -1363
11 2733
12 -5459
13 10925
14 -21843
15 43693
16 -87379
17 174765
18 -349523
19 699053
20 -1398099
21 2796205
22 -5592403
23 11184813
24 -22369619
25 44739245
26 -89478483
27 178956973
28 -357913939
29 715827885
30 -1431655763
31 2863311533
32 -5726623059

[1,5,-3,13,-19,45,-83,173,-339,685,-1363,2733,
 -5459,10925,-21843,43693,-87379,174765,-349523,
 699053,-1398099,2796205,-5592403,11184813,
 -22369619,44739245,-89478483,178956973,-357913939,
 715827885,-1431655763,2863311533,-5726623059]

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Last modified April 18 20:10 EDT 2024. Contains 371781 sequences. (Running on oeis4.)