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A106627 as a simple table

n a(n)
0 8
1 1
2 9
3 28
4 105
5 286
6 918
7 2871
8 8977
9 27892
10 87084
11 271635
12 847182
13 2641991
14 8240325
15 25700488
16 80156033
17 249994997
18 779700654
19 2431777739
20 7584375260 

[8,1,9,28,105,286,918,2871,8977,27892,87084,
 271635,847182,2641991,8240325,25700488,80156033,
 249994997,779700654,2431777739,7584375260]

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Last modified May 24 21:38 EDT 2013. Contains 225631 sequences.