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A124293 formatted as a simple table:

n a(n)
1 1
2 1
3 2
4 6
5 22
6 91
7 406
8 1896
9 9093
10 44279
11 217500
12 1073657
13 5314870
14 26352107
15 130778039
16 649352929
17 3225196431
18 16021584848
19 79597062632
20 395469296912
21 1964908443531
22 9762920818182
23 48508934285620
24 241027326818991

[1,1,2,6,22,91,406,1896,9093,44279,217500,1073657,
 5314870,26352107,130778039,649352929,3225196431,
 16021584848,79597062632,395469296912,
 1964908443531,9762920818182,48508934285620,
 241027326818991]

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Last modified December 8 08:31 EST 2009. Contains 170430 sequences.


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