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A005963 formatted as a simple table:

n a(n)
1 0
2 0
3 1
4 2
5 10
6 45
7 210
8 1002
9 4883
10 23797
11 116518
12 571471

[0,0,1,2,10,45,210,1002,4883,23797,116518,571471]

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Last modified December 7 23:50 EST 2009. Contains 170430 sequences.


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