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A006270 formatted as a simple table:

n a(n)
0 1
1 3
2 72
3 439128
4 84722519069640072
5 608130213374088941214747405817720857404971722895128

[1,3,72,439128,84722519069640072,
 608130213374088941214747405817720857404971722895128]

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Last modified December 4 15:11 EST 2009. Contains 170347 sequences.


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