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A045693 as a simple table

n a(n)
1 0
2 0
3 1
4 0
5 1
6 3
7 6
8 11
9 23
10 44
11 91
12 179
13 364
14 723
15 1457
16 2902
17 5827
18 11633
19 23310 

[0,0,1,0,1,3,6,11,23,44,91,179,364,723,1457,2902,
 5827,11633,23310]

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Last modified May 25 12:15 EDT 2013. Contains 225647 sequences.