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A001947 formatted as a simple table:

n a(n)
0 3
1 29
2 322
3 3571
4 39603
5 439204
6 4870847
7 54018521
8 599074578
9 6643838879
10 73681302247
11 817138163596
12 9062201101803
13 100501350283429 

[3,29,322,3571,39603,439204,4870847,54018521,
 599074578,6643838879,73681302247,817138163596,
 9062201101803,100501350283429]

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

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