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A120617 formatted as a simple table:

n a(n)
0 1
1 -2
2 -4
3 8
4 16
5 -32
6 -64
7 128
8 256
9 -512
10 -1024
11 2048
12 4096
13 -8192
14 -16384
15 32768
16 65536
17 -131072
18 -262144
19 524288
20 1048576
21 -2097152
22 -4194304
23 8388608
24 16777216
25 -33554432
26 -67108864
27 134217728
28 268435456
29 -536870912
30 -1073741824
31 2147483648
32 4294967296
33 -8589934592

[1,-2,-4,8,16,-32,-64,128,256,-512,-1024,2048,
 4096,-8192,-16384,32768,65536,-131072,-262144,
 524288,1048576,-2097152,-4194304,8388608,16777216,
 -33554432,-67108864,134217728,268435456,
 -536870912,-1073741824,2147483648,4294967296,
 -8589934592]

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Last modified December 19 21:04 EST 2009. Contains 171054 sequences.


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