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A003094 formatted as a simple table:

n a(n)
0 1
1 1
2 1
3 2
4 6
5 20
6 99
7 646
8 5974
9 71885
10 1052805
11 17449299

[1,1,1,2,6,20,99,646,5974,71885,1052805,17449299]

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


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