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A067609 formatted as a simple table:

n a(n)
1 1
2 1
3 3
4 6
5 58
6 861
7 373141
8 525901096
9 92709102076260838
10 65190291939775823483614581
11 1416591403847441323962646602694082865630539057192433 

[1,1,3,6,58,861,373141,525901096,
 92709102076260838,65190291939775823483614581,
 1416591403847441323962646602694082865630539057192433]

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Last modified December 6 22:55 EST 2009. Contains 170429 sequences.

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