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A055552 formatted as a simple table:

n a(n)
1 0
2 0
3 0
4 5
5 16
6 46
7 162
8 488
9 1282
10 3291
11 8607
12 22407
13 58892
14 156251
15 419489

[0,0,0,5,16,46,162,488,1282,3291,8607,22407,58892,
 156251,419489]

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Last modified December 1 19:22 EST 2009. Contains 167811 sequences.


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