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A027109 formatted as a simple table:

n a(n)
0 1
1 2
2 6
3 29
4 131
5 619
6 3013
7 14854
8 73996
9 372023
10 1883369
11 9591012
12 49091034
13 252371780
14 1302419484
15 6744389329
16 35031370911
17 182457629783
18 952674694705
19 4985494458892
20 26143834054498
21 137358293523986
22 722938114992478

[1,2,6,29,131,619,3013,14854,73996,372023,1883369,
 9591012,49091034,252371780,1302419484,6744389329,
 35031370911,182457629783,952674694705,
 4985494458892,26143834054498,137358293523986,
 722938114992478]

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


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