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A000515 formatted as a simple table:

n a(n)
0 1
1 12
2 180
3 2800
4 44100
5 698544
6 11099088
7 176679360
8 2815827300
9 44914183600
10 716830370256
11 11445589052352
12 182811491808400
13 2920656969720000
14 46670906271240000
15 745904795339462400

[1,12,180,2800,44100,698544,11099088,176679360,
 2815827300,44914183600,716830370256,
 11445589052352,182811491808400,2920656969720000,
 46670906271240000,745904795339462400]

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Last modified December 6 19:58 EST 2009. Contains 170429 sequences.


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