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A057636 formatted as a simple table:

n a(n)
1 19
2 139
3 3089
4 18839
5 123229
6 2134519
7 12130109
8 23884639
9 363289219
10 9568590299
11 24037796539
12 130426565719
13 405033487139
14 3553144754209
15 4010803176619

[19,139,3089,18839,123229,2134519,12130109,
 23884639,363289219,9568590299,24037796539,
 130426565719,405033487139,3553144754209,
 4010803176619]

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


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