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A000162 formatted as a simple table:

n a(n)
1 1
2 1
3 2
4 8
5 29
6 166
7 1023
8 6922
9 48311
10 346543
11 2522522
12 18598427
13 138462649
14 1039496297
15 7859514470
16 59795121480 

[1,1,2,8,29,166,1023,6922,48311,346543,2522522,
 18598427,138462649,1039496297,7859514470,
 59795121480]

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

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