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A133468 formatted as a simple table:

n a(n)
0 1
1 2
2 9
3 150
4 38505
5 2523490710
6 10838310072981296745

[1,2,9,150,38505,2523490710,10838310072981296745]

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Last modified December 7 23:50 EST 2009. Contains 170430 sequences.


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