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A079457 formatted as a simple table:

n a(n)
1 1
2 1
3 2
4 6
5 20
6 103
7 706
8 7423
9 116476

[1,1,2,6,20,103,706,7423,116476]

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


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