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A002669 formatted as a simple table:

n a(n)
1 -1
2 3
3 -29
4 289
5 -1627
6 27769
7 -18044381
8 145511171
9 -1514611753
10 142324922009

[-1,3,-29,289,-1627,27769,-18044381,145511171,
 -1514611753,142324922009]

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


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