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A089904 as a simple table

n a(n)
0 0
1 3
2 109
3 2055
4 30501
5 404947
6 5049393
7 60493839
8 704938285
9 8049382731
10 90493827177
11 1004938271623
12 11049382716069
13 120493827160515
14 1304938271604961
15 14049382716049407
16 150493827160493853

[0,3,109,2055,30501,404947,5049393,60493839,
 704938285,8049382731,90493827177,1004938271623,
 11049382716069,120493827160515,1304938271604961,
 14049382716049407,150493827160493853]

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Last modified July 25 18:00 EDT 2014. Contains 244915 sequences.