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A052170 formatted as a simple table:

n a(n)
0 1
1 1
2 6
3 24
4 130
5 688
6 4211
7 26840
8 184153
9 1328155
10 10078617
11 79926478
12 660616432
13 5671793248
14 50459837996
15 464139053799 

[1,1,6,24,130,688,4211,26840,184153,1328155,
 10078617,79926478,660616432,5671793248,
 50459837996,464139053799]

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

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