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A000304 formatted as a simple table:

n a(n)
2 2
3 3
4 6
5 18
6 108
7 1944
8 209952
9 408146688
10 85691213438976
11 34974584955819144511488
12 2997014624388697307377363936018956288 

[2,3,6,18,108,1944,209952,408146688,
 85691213438976,34974584955819144511488,
 2997014624388697307377363936018956288]

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

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