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A137504 formatted as a simple table:

n a(n)
0 1
1 1
2 3
3 4
4 8
5 11
6 21
7 28
8 47
9 64
10 100
11 135
12 205
13 273
14 398
15 530
16 749
17 989
18 1373
19 1796
20 2446

[1,1,3,4,8,11,21,28,47,64,100,135,205,273,398,530,
 749,989,1373,1796,2446]

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


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