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A054657 formatted as a simple table:

n a(n)
1 1
2 2
3 5
4 13
5 35
6 94
7 255
8 691
9 1876
10 5092
11 13829

[1,2,5,13,35,94,255,691,1876,5092,13829]

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Last modified December 7 08:40 EST 2009. Contains 170430 sequences.


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