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A013959 formatted as a simple table:

n a(n)
1 1
2 2049
3 177148
4 4196353
5 48828126
6 362976252
7 1977326744
8 8594130945
9 31381236757
10 100048830174
11 285311670612
12 743375541244
13 1792160394038
14 4051542498456
15 8649804864648
16 17600780175361
17 34271896307634

[1,2049,177148,4196353,48828126,362976252,
 1977326744,8594130945,31381236757,100048830174,
 285311670612,743375541244,1792160394038,
 4051542498456,8649804864648,17600780175361,
 34271896307634]

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Last modified December 7 08:40 EST 2009. Contains 170430 sequences.


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