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A087978 formatted as a simple table:

n a(n)
1 2310
2 254540
3 1042404
4 21871365
5 129963314
6 830692265
7 4617927894
8 18297409143
9 41268813542
10 287980277114
11 1182325618032
12 6455097761454 

[2310,254540,1042404,21871365,129963314,830692265,
 4617927894,18297409143,41268813542,287980277114,
 1182325618032,6455097761454]

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Last modified November 27 14:50 EST 2009. Contains 167570 sequences.

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