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A093989 formatted as a simple table:

n a(n)
1 1
2 1
3 6
4 35
5 290
6 2714
7 27524
8 291073
9 3166124
10 35169275
11 397047529

[1,1,6,35,290,2714,27524,291073,3166124,35169275,
 397047529]

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Last modified December 19 12:50 EST 2009. Contains 171053 sequences.


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