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A006347 formatted as a simple table:

n a(n)
1 0
2 1
3 3
4 16
5 95
6 666
7 5327
8 47944
9 479439
10 5273830
11 63285959
12 822717468
13 11518044551
14 172770668266
15 2764330692255
16 46993621768336
17 845885191830047
18 16071818644770894
19 321436372895417879
20 6750163830803775460

[0,1,3,16,95,666,5327,47944,479439,5273830,
 63285959,822717468,11518044551,172770668266,
 2764330692255,46993621768336,845885191830047,
 16071818644770894,321436372895417879,
 6750163830803775460]

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


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