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A109792 formatted as a simple table:

n a(n)
1 1
2 3
3 14
4 70
5 444
6 3108
7 25584
8 230256
9 2342880
10 25771680
11 312888960
12 4067556480
13 57424792320
14 861371884800
15 13869128448000
16 235775183616000
17 4264876094976000
18 81032645804544000
19 1627055289796608000

[1,3,14,70,444,3108,25584,230256,2342880,25771680,
 312888960,4067556480,57424792320,861371884800,
 13869128448000,235775183616000,4264876094976000,
 81032645804544000,1627055289796608000]

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Last modified December 8 08:31 EST 2009. Contains 170430 sequences.


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