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A019273 formatted as a simple table:

n a(n)
1 1
2 3
3 35
4 245
5 11609
6 28379
7 171899
8 1043710445728
9 2197379769828

[1,3,35,245,11609,28379,171899,1043710445728,
 2197379769828]

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.


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