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A279634 as a simple table

n a(n)
0 1
1 -3
2 5
3 -9
4 18
5 -36
6 72
7 -144
8 288
9 -576
10 1152
11 -2304
12 4608
13 -9216
14 18432
15 -36864
16 73728
17 -147456
18 294912
19 -589824
20 1179648
21 -2359296
22 4718592
23 -9437184
24 18874368
25 -37748736
26 75497472
27 -150994944
28 301989888
29 -603979776
30 1207959552
31 -2415919104
32 4831838208

[1,-3,5,-9,18,-36,72,-144,288,-576,1152,-2304,
 4608,-9216,18432,-36864,73728,-147456,294912,
 -589824,1179648,-2359296,4718592,-9437184,
 18874368,-37748736,75497472,-150994944,301989888,
 -603979776,1207959552,-2415919104,4831838208]

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Last modified April 23 14:32 EDT 2024. Contains 371914 sequences. (Running on oeis4.)