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A001416 formatted as a simple table:

n a(n)
0 1
1 6
2 60
3 1368
4 15552
5 201240
6 2016432
7 21582624

[1,6,60,1368,15552,201240,2016432,21582624]

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


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