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A005359 formatted as a simple table:

n a(n)
0 1
1 0
2 2
3 0
4 24
5 0
6 720
7 0
8 40320
9 0
10 3628800
11 0
12 479001600
13 0
14 87178291200
15 0
16 20922789888000
17 0
18 6402373705728000
19 0
20 2432902008176640000
21 0
22 1124000727777607680000
23 0
24 620448401733239439360000
25 0

[1,0,2,0,24,0,720,0,40320,0,3628800,0,479001600,0,
 87178291200,0,20922789888000,0,6402373705728000,0,
 2432902008176640000,0,1124000727777607680000,0,
 620448401733239439360000,0]

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


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