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A055550 formatted as a simple table:

n a(n)
1 0
2 0
3 3
4 22
5 78
6 245
7 750
8 2057
9 5597
10 14884
11 38975
12 101629
13 264239

[0,0,3,22,78,245,750,2057,5597,14884,38975,101629,
 264239]

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Last modified November 24 14:25 EST 2009. Contains 167438 sequences.


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