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A157316 formatted as a simple table:

n a(n)
0 2
1 168
2 6710208
3 80421395017344
4 268650181814894062310400
5 241677817414364648836194235222953984
6 57560679870262286682598360350282651217048664506368 

[2,168,6710208,80421395017344,
 268650181814894062310400,
 241677817414364648836194235222953984,
 57560679870262286682598360350282651217048664506368]

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

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