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A018947 formatted as a simple table:

n a(n)
2 0
3 11
4 32
5 285
6 1349
7 9222
8 54014
9 353731
10 2251144

[0,11,32,285,1349,9222,54014,353731,2251144]

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


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