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A088257 formatted as a simple table:

n a(n)
1 1
2 2
3 6
4 30
5 210
6 2310
7 30030
8 200560490130
9 304250263527210
10 23768741896345550770650537601358310

[1,2,6,30,210,2310,30030,200560490130,
 304250263527210,
 23768741896345550770650537601358310]

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Last modified December 5 17:24 EST 2009. Contains 170342 sequences.


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