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A248155 as a simple table

n a(n)
0 1
1 -2
2 3
3 -5
4 9
5 -17
6 33
7 -65
8 129
9 -257
10 513
11 -1025
12 2049
13 -4097
14 8193
15 -16385
16 32769
17 -65537
18 131073
19 -262145
20 524289
21 -1048577
22 2097153
23 -4194305
24 8388609
25 -16777217
26 33554433
27 -67108865
28 134217729
29 -268435457
30 536870913

[1,-2,3,-5,9,-17,33,-65,129,-257,513,-1025,2049,
 -4097,8193,-16385,32769,-65537,131073,-262145,
 524289,-1048577,2097153,-4194305,8388609,
 -16777217,33554433,-67108865,134217729,-268435457,
 536870913]

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Last modified April 24 15:52 EDT 2024. Contains 371961 sequences. (Running on oeis4.)