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A108734 formatted as a simple table:

n a(n)
0 1
1 12
2 -72
3 864
4 -12960
5 217728
6 -3919104
7 73903104
8 -1441110528
9 28822210560
10 -587973095424
11 12187078705152
12 -255928652808192
13 5433562167312384
14 -116433475013836800
15 2514963060298874880
16 -54700446561500528640
17 1196974477698717450240
18 -26333438509371783905280
19 582107588101902591590400

[1,12,-72,864,-12960,217728,-3919104,73903104,
 -1441110528,28822210560,-587973095424,
 12187078705152,-255928652808192,5433562167312384,
 -116433475013836800,2514963060298874880,
 -54700446561500528640,1196974477698717450240,
 -26333438509371783905280,
 582107588101902591590400]

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Last modified December 9 18:50 EST 2009. Contains 170568 sequences.


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