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A086808 formatted as a simple table:

n a(n)
1 1
2 1
3 3
4 8
5 19
6 52
7 140
8 479
9 1464
10 5596

[1,1,3,8,19,52,140,479,1464,5596]

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Last modified December 1 19:22 EST 2009. Contains 167811 sequences.


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