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A050623 formatted as a simple table:

n a(n)
1 3
2 18
3 108
4 1053
5 10206
6 100602
7 1001646
8 10005525
9 100009323
10 1000053864
11 10000125297
12 100000190088
13 1000000837998
14 10000002002688
15 100000000895004
16 1000000037647854
17 10000000032104772
18 100000000321047720

[3,18,108,1053,10206,100602,1001646,10005525,
 100009323,1000053864,10000125297,100000190088,
 1000000837998,10000002002688,100000000895004,
 1000000037647854,10000000032104772,
 100000000321047720]

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Last modified December 10 12:37 EST 2009. Contains 170569 sequences.


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