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A006230 formatted as a simple table:

n a(n)
4 1
5 13
6 73
7 301
8 1081
9 3613
10 11593
11 36301
12 111961
13 342013
14 1038313
15 3139501
16 9467641
17 28501213
18 85700233
19 257493901
20 773268121
21 2321377213
22 6967277353
23 20908123501

[1,13,73,301,1081,3613,11593,36301,111961,342013,
 1038313,3139501,9467641,28501213,85700233,
 257493901,773268121,2321377213,6967277353,
 20908123501]

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


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