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A156512 formatted as a simple table:

n a(n)
2 3
3 22
4 474
5 21676
6 6117690
7 8086830378
8 27448134968478
9 351300513333271976

[3,22,474,21676,6117690,8086830378,27448134968478,
 351300513333271976]

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Last modified November 30 13:13 EST 2009. Contains 167758 sequences.


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