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A123461 formatted as a simple table:

n a(n)
1 1
2 2
3 4
4 11
5 33
6 147
7 896
8 8682
9 131303
10 3063185

[1,2,4,11,33,147,896,8682,131303,3063185]

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Last modified December 9 14:43 EST 2009. Contains 170430 sequences.


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