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A005162 as a simple table

n a(n)
1 1
2 2
3 3
4 8
5 15
6 52
7 126
8 568
9 1782
10 10436
11 42471
12 323144
13 1706562
14 16866856
15 115640460
16 1484714416
17 13216815036
18 220426128584
19 2548124192970

[1,2,3,8,15,52,126,568,1782,10436,42471,323144,
 1706562,16866856,115640460,1484714416,13216815036,
 220426128584,2548124192970]

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Last modified September 2 19:51 EDT 2014. Contains 246367 sequences.