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A055165 formatted as a simple table:

n a(n)
1 1
2 6
3 174
4 22560
5 12514320
6 28836612000
7 270345669985440
8 10160459763342013440

[1,6,174,22560,12514320,28836612000,
 270345669985440,10160459763342013440]

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Last modified December 9 18:50 EST 2009. Contains 170568 sequences.


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