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A000638 formatted as a simple table:

n a(n)
0 1
1 1
2 2
3 4
4 11
5 19
6 56
7 96
8 296
9 554
10 1593
11 3094
12 10723

[1,1,2,4,11,19,56,96,296,554,1593,3094,10723]

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


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