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A054375 formatted as a simple table:

n a(n)
1 0
2 -1
3 0
4 0
5 -4
6 0
7 1
8 16
9 64
10 0
11 0
12 -16
13 0
14 4096
15 0
16 -1
17 0
18 -4096
19 65536
20 -1048576
21 0
22 0
23 -64
24 0
25 262144
26 0
27 -1073741824
28 0
29 1
30 256
31 16384
32 16777216
33 268435456
34 68719476736
35 4398046511104
36 0
37 0
38 -256
39 0
40 16777216
41 0
42 -4398046511104
43 0
44 72057594037927936

[0,-1,0,0,-4,0,1,16,64,0,0,-16,0,4096,0,-1,0,
 -4096,65536,-1048576,0,0,-64,0,262144,0,
 -1073741824,0,1,256,16384,16777216,268435456,
 68719476736,4398046511104,0,0,-256,0,16777216,0,
 -4398046511104,0,72057594037927936]

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Last modified December 16 17:18 EST 2009. Contains 170825 sequences.


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