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A088436 formatted as a simple table:

n a(n)
1 0
2 1
3 3
4 6
5 30
6 225
7 1575
8 12180
9 109620
10 1100925
11 12110175
12 145259730
13 1888376490
14 26438216805
15 396573252075
16 6345155817000
17 107867648889000
18 1941617990136825
19 36890741812599675
20 737814829704702750

[0,1,3,6,30,225,1575,12180,109620,1100925,
 12110175,145259730,1888376490,26438216805,
 396573252075,6345155817000,107867648889000,
 1941617990136825,36890741812599675,
 737814829704702750]

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


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