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A096631 formatted as a simple table:

n a(n)
2 1
3 -1
4 2
5 -1
6 3
7 -5
8 12
9 1
10 -10
11 20
12 13
13 -105
14 180
15 139
16 -840
17 1260
18 -7
19 174
20 -840
21 1120
22 -119
23 1881
24 -7560
25 9072
26 -2167
27 24156
28 -83160
29 90720
30 147
31 -7150
32 61380
33 -184800
34 184800
35 65107
36 -1739595
37 12123540
38 -32432400
39 29937600
40 1797097
41 -32192160
42 188648460

[1,-1,2,-1,3,-5,12,1,-10,20,13,-105,180,139,-840,
 1260,-7,174,-840,1120,-119,1881,-7560,9072,-2167,
 24156,-83160,90720,147,-7150,61380,-184800,184800,
 65107,-1739595,12123540,-32432400,29937600,
 1797097,-32192160,188648460]

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Last modified December 10 12:37 EST 2009. Contains 170569 sequences.


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