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A005617 formatted as a simple table:

n a(n)
1 2
2 10
3 122
4 2554
5 75386
6 2865370
7 133191386

[2,10,122,2554,75386,2865370,133191386]

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Last modified December 6 19:58 EST 2009. Contains 170429 sequences.


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