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A032204 as a simple table

n a(n)
1 2
2 3
3 10
4 44
5 208
6 1109
7 6118
8 35237
9 207934
10 1253287
11 7675826
12 47646436
13 299041848
14 1894604820
15 12100426672
16 77824808724
17 503607919768
18 3276529572798
19 21420197993784
20 140637939255210
21 926969395669496

[2,3,10,44,208,1109,6118,35237,207934,1253287,
 7675826,47646436,299041848,1894604820,12100426672,
 77824808724,503607919768,3276529572798,
 21420197993784,140637939255210,926969395669496]

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Last modified December 21 16:29 EST 2014. Contains 252324 sequences.