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A112843 as a simple table

n a(n)
0 1
1 1
2 1
3 1
4 1
5 1
6 2
7 3
8 7
9 11
10 26
11 44
12 118
13 221
14 677
15 1721
16 6884
17 21165
18 95800
19 324693
20 1633462
21 6253408
22 35917622
23 161554715
24 1151376732
25 6387653627
26 54325024024
27 348582834189
28 3376194023305
29 24664208882500
30 273518249356480

[1,1,1,1,1,1,2,3,7,11,26,44,118,221,677,1721,6884,
 21165,95800,324693,1633462,6253408,35917622,
 161554715,1151376732,6387653627,54325024024,
 348582834189,3376194023305,24664208882500,
 273518249356480]

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Last modified April 19 10:40 EDT 2014. Contains 240747 sequences.