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A118326 formatted as a simple table:

n a(n)
1 2
2 2
3 22
4 50
5 70
6 29091
7 49606
8 174594
9 260086
10 1395138
11 8755202
12 13452935
13 34664211
14 89502392
15 490611832
16 1152519711
17 2034899286
18 2281723269
19 3511022987
20 12377674446
21 17495576384
22 21346545848
23 115293211710

[2,2,22,50,70,29091,49606,174594,260086,1395138,
 8755202,13452935,34664211,89502392,490611832,
 1152519711,2034899286,2281723269,3511022987,
 12377674446,17495576384,21346545848,115293211710]

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Last modified December 2 11:54 EST 2009. Contains 167921 sequences.


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