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A002484 formatted as a simple table:

n a(n)
3 1
4 2
5 5
6 20
7 87
8 616
9 4843
10 44128
11 444621
12 4936274
13 59661265
14 780547332
15 10987097799
16 165587196328
17 2660378564791
18 45392026278108
19 819716784789209
20 15620011000052754
21 313219935456572497
22 6593238656843759572

[1,2,5,20,87,616,4843,44128,444621,4936274,
 59661265,780547332,10987097799,165587196328,
 2660378564791,45392026278108,819716784789209,
 15620011000052754,313219935456572497,
 6593238656843759572]

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Last modified December 7 08:40 EST 2009. Contains 170430 sequences.


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