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A131774 formatted as a simple table:

n a(n)
1 1
2 2
3 1
4 1
5 2
6 1
7 2
8 0
9 4
10 1
11 1
12 2
13 3
14 4
15 1
16 2
17 -1
18 8
19 2
20 6
21 1
22 1
23 2
24 4
25 8
26 7
27 6
28 1
29 2
30 -2
31 12
32 0
33 20
34 6
35 8
36 1
37 1
38 2
39 4
40 12
41 15
42 20
43 13
44 8
45 1
46 2
47 -3
48 16
49 -6
50 42
51 9
52 40
53 12
54 10
55 1 

[1,2,1,1,2,1,2,0,4,1,1,2,3,4,1,2,-1,8,2,6,1,1,2,4,
 8,7,6,1,2,-2,12,0,20,6,8,1,1,2,4,12,15,20,13,8,1,
 2,-3,16,-6,42,9,40,12,10,1]

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.

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