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A002668 formatted as a simple table:

n a(n)
1 2
2 8
3 75
4 8949
5 119646723
6 15849841722437093
7 708657580163382065836292133774995
8 529026553215766321676623343348414600292754204772300344704877695232 

[2,8,75,8949,119646723,15849841722437093,
 708657580163382065836292133774995,
 529026553215766321676623343348414600292754204772300344704877695232]

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

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