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A006524 formatted as a simple table:

n a(n)
0 4
1 15
2 609
3 845029
4 1010073215739
5 1300459886313272270974271
6 1939680952094609786557359582286462958434022504402 

[4,15,609,845029,1010073215739,
 1300459886313272270974271,
 1939680952094609786557359582286462958434022504402]

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

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