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A057787 formatted as a simple table:

n a(n)
1 2
2 7
3 22
4 93
5 364
6 1734
7 8246
8 41043
9 206602

[2,7,22,93,364,1734,8246,41043,206602]

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Last modified December 2 11:54 EST 2009. Contains 167921 sequences.


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