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A107948 formatted as a simple table:

n a(n)
0 1
1 1
2 2
3 5
4 16
5 68
6 399
7 3348
8 41417
9 775234
10 22445788
11 1024347395
12 74876701760
13 8888457145166
14 1734062627778860 

[1,1,2,5,16,68,399,3348,41417,775234,22445788,
 1024347395,74876701760,8888457145166,
 1734062627778860]

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Last modified December 17 23:40 EST 2009. Contains 171025 sequences.

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