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A066391 formatted as a simple table:

n a(n)
0 1
1 16
2 63
3 126
4 2772
5 46416
6 401922
7 9039426

[1,16,63,126,2772,46416,401922,9039426]

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Last modified December 2 11:54 EST 2009. Contains 167921 sequences.


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