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A068247 formatted as a simple table:

n a(n)
3 1
4 123273728
5 606966551329230
6 42294602754348892160
7 221621345837018832499375

[1,123273728,606966551329230,42294602754348892160,
 221621345837018832499375]

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


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