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A123692 formatted as a simple table:

n a(n)
1 2
2 20771
3 40487
4 53471161
5 1645333507
6 6692367337
7 188748146801

[2,20771,40487,53471161,1645333507,6692367337,
 188748146801]

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Last modified December 4 23:11 EST 2009. Contains 170347 sequences.


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