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A127010 formatted as a simple table:

n a(n)
0 1
1 1
2 2
3 5
4 11
5 57
6 126
7 17609
8 127439468
9 344473534513077
10 891027683693605833852
11 156052046552117500148945259643265853536683707838813 

[1,1,2,5,11,57,126,17609,127439468,
 344473534513077,891027683693605833852,
 156052046552117500148945259643265853536683707838813]

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Last modified December 21 10:15 EST 2009. Contains 171081 sequences.

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