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A051748 formatted as a simple table:

n a(n)
1 0
2 1
3 2
4 7
5 13
6 34
7 72
8 137
9 249
10 524
11 953
12 1679
13 3106
14 5270
15 9398
16 15666
17 26284
18 43409

[0,1,2,7,13,34,72,137,249,524,953,1679,3106,5270,
 9398,15666,26284,43409]

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Last modified December 20 00:58 EST 2009. Contains 171054 sequences.


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