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A072632 formatted as a simple table:

n a(n)
1 1
2 3
3 8
4 21
5 55
6 149
7 404
8 1097
9 2981
10 8104
11 22027
12 59875
13 162755
14 442414
15 1202605
16 3269018

[1,3,8,21,55,149,404,1097,2981,8104,22027,59875,
 162755,442414,1202605,3269018]

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Last modified December 6 19:58 EST 2009. Contains 170429 sequences.


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