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A153641 formatted as a simple table:

n a(n)
0 1
1 1
2 1
3 -1
4 1
5 -3
6 1
7 -6
8 5
9 1
10 -10
11 25
12 1
13 -15
14 75
15 -61
16 1
17 -21
18 175
19 -427
20 1
21 -28
22 350
23 -1708
24 1385
25 1
26 -36
27 630
28 -5124
29 12465

[1,1,1,-1,1,-3,1,-6,5,1,-10,25,1,-15,75,-61,1,-21,
 175,-427,1,-28,350,-1708,1385,1,-36,630,-5124,
 12465]

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Last modified November 30 13:13 EST 2009. Contains 167758 sequences.


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