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A161743 formatted as a simple table:

n a(n)
3 1
4 10
5 73
6 425
7 1561
8 -2856
9 -73520
10 380160
11 15376416
12 -117209664
13 -7506967104
14 72162155520
15 7045087741056
16 -80246202992640
17 -11448278791372800
18 149576169325363200
19 30017051616972275712
20 -440857664887810867200

[1,10,73,425,1561,-2856,-73520,380160,15376416,
 -117209664,-7506967104,72162155520,7045087741056,
 -80246202992640,-11448278791372800,
 149576169325363200,30017051616972275712,
 -440857664887810867200]

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Last modified December 18 21:37 EST 2009. Contains 171024 sequences.


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