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A071580 formatted as a simple table:

n a(n)
1 2
2 3
3 7
4 43
5 3613
6 65250781
7 5109197227031017
8 21753246920584523633819544186061
9 993727878334632126576336773629979379563850938567846991629270287 

[2,3,7,43,3613,65250781,5109197227031017,
 21753246920584523633819544186061,
 993727878334632126576336773629979379563850938567846991629270287]

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Last modified December 8 08:31 EST 2009. Contains 170430 sequences.

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