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A141531 formatted as a simple table:

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

[1,1,1,-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]

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Last modified December 17 13:29 EST 2009. Contains 170826 sequences.


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