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A099729 formatted as a simple table:

n a(n)
0 1
1 2
2 8
3 68
4 4688
5 21977408
6 483006462403088
7 233295242723145661671791940368
8 54426670277251448804881298598338033107084297639402489952768 

[1,2,8,68,4688,21977408,483006462403088,
 233295242723145661671791940368,
 54426670277251448804881298598338033107084297639402489952768]

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Last modified December 11 12:57 EST 2009. Contains 170656 sequences.

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