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A078433 formatted as a simple table:

n a(n)
1 0
2 2
3 2
4 10
5 30
6 124
7 992
8 5700
9 39844

[0,2,2,10,30,124,992,5700,39844]

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.


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